Home / 3,938,101.07-5,908,147.90-1,098,213.53

Finding the Fourth Proportional to 3,938,101.07, 5,908,147.90 and 1,098,213.53

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Solution

The fourth proportional to 3,938,101.07, 5,908,147.90 and 1,098,213.53 is: 1,647,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,101.07 : 5,908,147.90 = 1,098,213.53 : x
  2. Step 2: Convert to fraction form
    3,938,101.07/5,908,147.90 = 1,098,213.53/x
  3. Step 3: Cross multiply
    3,938,101.07x = 5,908,147.90 × 1,098,213.53
  4. Step 4: Simplify right side
    3,938,101.07x = 6,488,407,931,480.35
  5. Step 5: Solve for x
    x = 6,488,407,931,480.35/3,938,101.07
  6. Step 6: Final answer
    x = 1,647,598.13

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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.