Home / 3,101,139.40-4,648,253.10-1,207,251.40

Finding the Fourth Proportional to 3,101,139.40, 4,648,253.10 and 1,207,251.40

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Solution

The fourth proportional to 3,101,139.40, 4,648,253.10 and 1,207,251.40 is: 1,809,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,139.40 : 4,648,253.10 = 1,207,251.40 : x
  2. Step 2: Convert to fraction form
    3,101,139.40/4,648,253.10 = 1,207,251.40/x
  3. Step 3: Cross multiply
    3,101,139.40x = 4,648,253.10 × 1,207,251.40
  4. Step 4: Simplify right side
    3,101,139.40x = 5,611,610,062,529.34
  5. Step 5: Solve for x
    x = 5,611,610,062,529.34/3,101,139.40
  6. Step 6: Final answer
    x = 1,809,531.70

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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.