Home / 5,280,218.40-7,915,078.80-2,435,368.80

Finding the Fourth Proportional to 5,280,218.40, 7,915,078.80 and 2,435,368.80

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Solution

The fourth proportional to 5,280,218.40, 7,915,078.80 and 2,435,368.80 is: 3,650,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,218.40 : 7,915,078.80 = 2,435,368.80 : x
  2. Step 2: Convert to fraction form
    5,280,218.40/7,915,078.80 = 2,435,368.80/x
  3. Step 3: Cross multiply
    5,280,218.40x = 7,915,078.80 × 2,435,368.80
  4. Step 4: Simplify right side
    5,280,218.40x = 19,276,135,959,061.44
  5. Step 5: Solve for x
    x = 19,276,135,959,061.44/5,280,218.40
  6. Step 6: Final answer
    x = 3,650,632.32

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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.