Home / 2,755,937.40-4,131,937.80-1,238,378.10

Finding the Fourth Proportional to 2,755,937.40, 4,131,937.80 and 1,238,378.10

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Solution

The fourth proportional to 2,755,937.40, 4,131,937.80 and 1,238,378.10 is: 1,856,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,937.40 : 4,131,937.80 = 1,238,378.10 : x
  2. Step 2: Convert to fraction form
    2,755,937.40/4,131,937.80 = 1,238,378.10/x
  3. Step 3: Cross multiply
    2,755,937.40x = 4,131,937.80 × 1,238,378.10
  4. Step 4: Simplify right side
    2,755,937.40x = 5,116,901,282,082.18
  5. Step 5: Solve for x
    x = 5,116,901,282,082.18/2,755,937.40
  6. Step 6: Final answer
    x = 1,856,682.70

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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.