Home / 3,108,098.61-4,662,780.84-1,310,988.87

Finding the Fourth Proportional to 3,108,098.61, 4,662,780.84 and 1,310,988.87

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Solution

The fourth proportional to 3,108,098.61, 4,662,780.84 and 1,310,988.87 is: 1,966,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,098.61 : 4,662,780.84 = 1,310,988.87 : x
  2. Step 2: Convert to fraction form
    3,108,098.61/4,662,780.84 = 1,310,988.87/x
  3. Step 3: Cross multiply
    3,108,098.61x = 4,662,780.84 × 1,310,988.87
  4. Step 4: Simplify right side
    3,108,098.61x = 6,112,853,784,489.25
  5. Step 5: Solve for x
    x = 6,112,853,784,489.25/3,108,098.61
  6. Step 6: Final answer
    x = 1,966,750.27

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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.