Home / 5,280,240.40-7,915,111.80-2,435,390.80

Finding the Fourth Proportional to 5,280,240.40, 7,915,111.80 and 2,435,390.80

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Solution

The fourth proportional to 5,280,240.40, 7,915,111.80 and 2,435,390.80 is: 3,650,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,240.40 : 7,915,111.80 = 2,435,390.80 : x
  2. Step 2: Convert to fraction form
    5,280,240.40/7,915,111.80 = 2,435,390.80/x
  3. Step 3: Cross multiply
    5,280,240.40x = 7,915,111.80 × 2,435,390.80
  4. Step 4: Simplify right side
    5,280,240.40x = 19,276,390,458,691.44
  5. Step 5: Solve for x
    x = 19,276,390,458,691.44/5,280,240.40
  6. Step 6: Final answer
    x = 3,650,665.31

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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.