Home / 3,428,387.12-4,730,216.72-2,700,977.42

Finding the Fourth Proportional to 3,428,387.12, 4,730,216.72 and 2,700,977.42

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Solution

The fourth proportional to 3,428,387.12, 4,730,216.72 and 2,700,977.42 is: 3,726,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,387.12 : 4,730,216.72 = 2,700,977.42 : x
  2. Step 2: Convert to fraction form
    3,428,387.12/4,730,216.72 = 2,700,977.42/x
  3. Step 3: Cross multiply
    3,428,387.12x = 4,730,216.72 × 2,700,977.42
  4. Step 4: Simplify right side
    3,428,387.12x = 12,776,208,552,426.46
  5. Step 5: Solve for x
    x = 12,776,208,552,426.46/3,428,387.12
  6. Step 6: Final answer
    x = 3,726,594.49

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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.