Home / 3,938,500.64-5,435,002.32-2,488,973.60

Finding the Fourth Proportional to 3,938,500.64, 5,435,002.32 and 2,488,973.60

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Solution

The fourth proportional to 3,938,500.64, 5,435,002.32 and 2,488,973.60 is: 3,434,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,500.64 : 5,435,002.32 = 2,488,973.60 : x
  2. Step 2: Convert to fraction form
    3,938,500.64/5,435,002.32 = 2,488,973.60/x
  3. Step 3: Cross multiply
    3,938,500.64x = 5,435,002.32 × 2,488,973.60
  4. Step 4: Simplify right side
    3,938,500.64x = 13,527,577,290,418.75
  5. Step 5: Solve for x
    x = 13,527,577,290,418.75/3,938,500.64
  6. Step 6: Final answer
    x = 3,434,702.32

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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.