Home / 2,783,143.65-4,174,715.48-1,663,399.65

Finding the Fourth Proportional to 2,783,143.65, 4,174,715.48 and 1,663,399.65

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Solution

The fourth proportional to 2,783,143.65, 4,174,715.48 and 1,663,399.65 is: 2,495,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,143.65 : 4,174,715.48 = 1,663,399.65 : x
  2. Step 2: Convert to fraction form
    2,783,143.65/4,174,715.48 = 1,663,399.65/x
  3. Step 3: Cross multiply
    2,783,143.65x = 4,174,715.48 × 1,663,399.65
  4. Step 4: Simplify right side
    2,783,143.65x = 6,944,220,259,964.58
  5. Step 5: Solve for x
    x = 6,944,220,259,964.58/2,783,143.65
  6. Step 6: Final answer
    x = 2,495,099.48

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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.