Home / 2,278,691.49-3,144,980.95-1,312,381.26

Finding the Fourth Proportional to 2,278,691.49, 3,144,980.95 and 1,312,381.26

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Solution

The fourth proportional to 2,278,691.49, 3,144,980.95 and 1,312,381.26 is: 1,811,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,691.49 : 3,144,980.95 = 1,312,381.26 : x
  2. Step 2: Convert to fraction form
    2,278,691.49/3,144,980.95 = 1,312,381.26/x
  3. Step 3: Cross multiply
    2,278,691.49x = 3,144,980.95 × 1,312,381.26
  4. Step 4: Simplify right side
    2,278,691.49x = 4,127,414,071,092.37
  5. Step 5: Solve for x
    x = 4,127,414,071,092.37/2,278,691.49
  6. Step 6: Final answer
    x = 1,811,308.85

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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.