Home / 5,280,240.90-7,915,112.55-2,435,391.30

Finding the Fourth Proportional to 5,280,240.90, 7,915,112.55 and 2,435,391.30

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Solution

The fourth proportional to 5,280,240.90, 7,915,112.55 and 2,435,391.30 is: 3,650,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,240.90 : 7,915,112.55 = 2,435,391.30 : x
  2. Step 2: Convert to fraction form
    5,280,240.90/7,915,112.55 = 2,435,391.30/x
  3. Step 3: Cross multiply
    5,280,240.90x = 7,915,112.55 × 2,435,391.30
  4. Step 4: Simplify right side
    5,280,240.90x = 19,276,396,242,790.81
  5. Step 5: Solve for x
    x = 19,276,396,242,790.81/5,280,240.90
  6. Step 6: Final answer
    x = 3,650,666.06

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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.