Home / 5,280,239.90-7,915,111.05-2,435,390.30

Finding the Fourth Proportional to 5,280,239.90, 7,915,111.05 and 2,435,390.30

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Solution

The fourth proportional to 5,280,239.90, 7,915,111.05 and 2,435,390.30 is: 3,650,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,239.90 : 7,915,111.05 = 2,435,390.30 : x
  2. Step 2: Convert to fraction form
    5,280,239.90/7,915,111.05 = 2,435,390.30/x
  3. Step 3: Cross multiply
    5,280,239.90x = 7,915,111.05 × 2,435,390.30
  4. Step 4: Simplify right side
    5,280,239.90x = 19,276,384,674,592.81
  5. Step 5: Solve for x
    x = 19,276,384,674,592.81/5,280,239.90
  6. Step 6: Final answer
    x = 3,650,664.56

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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.