Home / 4,014,221.50-5,539,631.16-2,178,679.82

Finding the Fourth Proportional to 4,014,221.50, 5,539,631.16 and 2,178,679.82

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Solution

The fourth proportional to 4,014,221.50, 5,539,631.16 and 2,178,679.82 is: 3,006,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,014,221.50 : 5,539,631.16 = 2,178,679.82 : x
  2. Step 2: Convert to fraction form
    4,014,221.50/5,539,631.16 = 2,178,679.82/x
  3. Step 3: Cross multiply
    4,014,221.50x = 5,539,631.16 × 2,178,679.82
  4. Step 4: Simplify right side
    4,014,221.50x = 12,069,082,586,752.01
  5. Step 5: Solve for x
    x = 12,069,082,586,752.01/4,014,221.50
  6. Step 6: Final answer
    x = 3,006,581.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.