Home / 3,127,967.40-4,691,951.10-1,108,491.60

Finding the Fourth Proportional to 3,127,967.40, 4,691,951.10 and 1,108,491.60

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Solution

The fourth proportional to 3,127,967.40, 4,691,951.10 and 1,108,491.60 is: 1,662,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,967.40 : 4,691,951.10 = 1,108,491.60 : x
  2. Step 2: Convert to fraction form
    3,127,967.40/4,691,951.10 = 1,108,491.60/x
  3. Step 3: Cross multiply
    3,127,967.40x = 4,691,951.10 × 1,108,491.60
  4. Step 4: Simplify right side
    3,127,967.40x = 5,200,988,381,960.76
  5. Step 5: Solve for x
    x = 5,200,988,381,960.76/3,127,967.40
  6. Step 6: Final answer
    x = 1,662,737.40

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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.