Home / 2,103,139.20-3,154,708.80-1,543,267.20

Finding the Fourth Proportional to 2,103,139.20, 3,154,708.80 and 1,543,267.20

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Solution

The fourth proportional to 2,103,139.20, 3,154,708.80 and 1,543,267.20 is: 2,314,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,139.20 : 3,154,708.80 = 1,543,267.20 : x
  2. Step 2: Convert to fraction form
    2,103,139.20/3,154,708.80 = 1,543,267.20/x
  3. Step 3: Cross multiply
    2,103,139.20x = 3,154,708.80 × 1,543,267.20
  4. Step 4: Simplify right side
    2,103,139.20x = 4,868,558,616,591.36
  5. Step 5: Solve for x
    x = 4,868,558,616,591.36/2,103,139.20
  6. Step 6: Final answer
    x = 2,314,900.80

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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.