Home / 3,389,129.56-4,676,981.79-1,840,377.41

Finding the Fourth Proportional to 3,389,129.56, 4,676,981.79 and 1,840,377.41

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Solution

The fourth proportional to 3,389,129.56, 4,676,981.79 and 1,840,377.41 is: 2,539,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,129.56 : 4,676,981.79 = 1,840,377.41 : x
  2. Step 2: Convert to fraction form
    3,389,129.56/4,676,981.79 = 1,840,377.41/x
  3. Step 3: Cross multiply
    3,389,129.56x = 4,676,981.79 × 1,840,377.41
  4. Step 4: Simplify right side
    3,389,129.56x = 8,607,411,614,513.40
  5. Step 5: Solve for x
    x = 8,607,411,614,513.40/3,389,129.56
  6. Step 6: Final answer
    x = 2,539,711.59

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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.