Home / 2,101,423.80-3,152,135.70-1,251,118.20

Finding the Fourth Proportional to 2,101,423.80, 3,152,135.70 and 1,251,118.20

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Solution

The fourth proportional to 2,101,423.80, 3,152,135.70 and 1,251,118.20 is: 1,876,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,423.80 : 3,152,135.70 = 1,251,118.20 : x
  2. Step 2: Convert to fraction form
    2,101,423.80/3,152,135.70 = 1,251,118.20/x
  3. Step 3: Cross multiply
    2,101,423.80x = 3,152,135.70 × 1,251,118.20
  4. Step 4: Simplify right side
    2,101,423.80x = 3,943,694,343,139.74
  5. Step 5: Solve for x
    x = 3,943,694,343,139.74/2,101,423.80
  6. Step 6: Final answer
    x = 1,876,677.30

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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.