Home / 3,456,280.45-5,184,420.68-2,742,443.65

Finding the Fourth Proportional to 3,456,280.45, 5,184,420.68 and 2,742,443.65

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Solution

The fourth proportional to 3,456,280.45, 5,184,420.68 and 2,742,443.65 is: 4,113,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,280.45 : 5,184,420.68 = 2,742,443.65 : x
  2. Step 2: Convert to fraction form
    3,456,280.45/5,184,420.68 = 2,742,443.65/x
  3. Step 3: Cross multiply
    3,456,280.45x = 5,184,420.68 × 2,742,443.65
  4. Step 4: Simplify right side
    3,456,280.45x = 14,217,981,559,082.46
  5. Step 5: Solve for x
    x = 14,217,981,559,082.46/3,456,280.45
  6. Step 6: Final answer
    x = 4,113,665.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.