Home / 3,191,087.76-4,786,594.76-916,667.92

Finding the Fourth Proportional to 3,191,087.76, 4,786,594.76 and 916,667.92

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Solution

The fourth proportional to 3,191,087.76, 4,786,594.76 and 916,667.92 is: 1,374,991.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,087.76 : 4,786,594.76 = 916,667.92 : x
  2. Step 2: Convert to fraction form
    3,191,087.76/4,786,594.76 = 916,667.92/x
  3. Step 3: Cross multiply
    3,191,087.76x = 4,786,594.76 × 916,667.92
  4. Step 4: Simplify right side
    3,191,087.76x = 4,387,717,862,532.10
  5. Step 5: Solve for x
    x = 4,387,717,862,532.10/3,191,087.76
  6. Step 6: Final answer
    x = 1,374,991.29

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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.