Home / 3,938,101.32-5,908,148.27-1,098,213.78

Finding the Fourth Proportional to 3,938,101.32, 5,908,148.27 and 1,098,213.78

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Solution

The fourth proportional to 3,938,101.32, 5,908,148.27 and 1,098,213.78 is: 1,647,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,101.32 : 5,908,148.27 = 1,098,213.78 : x
  2. Step 2: Convert to fraction form
    3,938,101.32/5,908,148.27 = 1,098,213.78/x
  3. Step 3: Cross multiply
    3,938,101.32x = 5,908,148.27 × 1,098,213.78
  4. Step 4: Simplify right side
    3,938,101.32x = 6,488,409,844,397.16
  5. Step 5: Solve for x
    x = 6,488,409,844,397.16/3,938,101.32
  6. Step 6: Final answer
    x = 1,647,598.50

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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.