Home / 2,468,869.11-3,406,960.31-1,381,117.28

Finding the Fourth Proportional to 2,468,869.11, 3,406,960.31 and 1,381,117.28

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Solution

The fourth proportional to 2,468,869.11, 3,406,960.31 and 1,381,117.28 is: 1,905,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468,869.11 : 3,406,960.31 = 1,381,117.28 : x
  2. Step 2: Convert to fraction form
    2,468,869.11/3,406,960.31 = 1,381,117.28/x
  3. Step 3: Cross multiply
    2,468,869.11x = 3,406,960.31 × 1,381,117.28
  4. Step 4: Simplify right side
    2,468,869.11x = 4,705,411,732,474.77
  5. Step 5: Solve for x
    x = 4,705,411,732,474.77/2,468,869.11
  6. Step 6: Final answer
    x = 1,905,897.61

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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.