Home / 5,912,411.79-8,868,934.31-1,868,591.91

Finding the Fourth Proportional to 5,912,411.79, 8,868,934.31 and 1,868,591.91

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Solution

The fourth proportional to 5,912,411.79, 8,868,934.31 and 1,868,591.91 is: 2,802,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912,411.79 : 8,868,934.31 = 1,868,591.91 : x
  2. Step 2: Convert to fraction form
    5,912,411.79/8,868,934.31 = 1,868,591.91/x
  3. Step 3: Cross multiply
    5,912,411.79x = 8,868,934.31 × 1,868,591.91
  4. Step 4: Simplify right side
    5,912,411.79x = 16,572,418,901,987.43
  5. Step 5: Solve for x
    x = 16,572,418,901,987.43/5,912,411.79
  6. Step 6: Final answer
    x = 2,802,987.93

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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.