Home / 3,266,307.05-4,899,143.77-991,851.13

Finding the Fourth Proportional to 3,266,307.05, 4,899,143.77 and 991,851.13

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Solution

The fourth proportional to 3,266,307.05, 4,899,143.77 and 991,851.13 is: 1,487,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266,307.05 : 4,899,143.77 = 991,851.13 : x
  2. Step 2: Convert to fraction form
    3,266,307.05/4,899,143.77 = 991,851.13/x
  3. Step 3: Cross multiply
    3,266,307.05x = 4,899,143.77 × 991,851.13
  4. Step 4: Simplify right side
    3,266,307.05x = 4,859,221,261,788.32
  5. Step 5: Solve for x
    x = 4,859,221,261,788.32/3,266,307.05
  6. Step 6: Final answer
    x = 1,487,680.49

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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.