Home / 5,631,205.38-7,777,478.62-3,817,220.10

Finding the Fourth Proportional to 5,631,205.38, 7,777,478.62 and 3,817,220.10

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Solution

The fourth proportional to 5,631,205.38, 7,777,478.62 and 3,817,220.10 is: 5,272,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631,205.38 : 7,777,478.62 = 3,817,220.10 : x
  2. Step 2: Convert to fraction form
    5,631,205.38/7,777,478.62 = 3,817,220.10/x
  3. Step 3: Cross multiply
    5,631,205.38x = 7,777,478.62 × 3,817,220.10
  4. Step 4: Simplify right side
    5,631,205.38x = 29,688,347,715,584.26
  5. Step 5: Solve for x
    x = 29,688,347,715,584.26/5,631,205.38
  6. Step 6: Final answer
    x = 5,272,112.40

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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.