Home / 2,123,329.08-3,180,780-1,002,185.40

Finding the Fourth Proportional to 2,123,329.08, 3,180,780 and 1,002,185.40

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Solution

The fourth proportional to 2,123,329.08, 3,180,780 and 1,002,185.40 is: 1,501,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,329.08 : 3,180,780 = 1,002,185.40 : x
  2. Step 2: Convert to fraction form
    2,123,329.08/3,180,780 = 1,002,185.40/x
  3. Step 3: Cross multiply
    2,123,329.08x = 3,180,780 × 1,002,185.40
  4. Step 4: Simplify right side
    2,123,329.08x = 3,187,731,276,612
  5. Step 5: Solve for x
    x = 3,187,731,276,612/2,123,329.08
  6. Step 6: Final answer
    x = 1,501,289.32

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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.