Home / 2,604,002.20-3,906,003.30-921,275.80

Finding the Fourth Proportional to 2,604,002.20, 3,906,003.30 and 921,275.80

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Solution

The fourth proportional to 2,604,002.20, 3,906,003.30 and 921,275.80 is: 1,381,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,604,002.20 : 3,906,003.30 = 921,275.80 : x
  2. Step 2: Convert to fraction form
    2,604,002.20/3,906,003.30 = 921,275.80/x
  3. Step 3: Cross multiply
    2,604,002.20x = 3,906,003.30 × 921,275.80
  4. Step 4: Simplify right side
    2,604,002.20x = 3,598,506,315,010.14
  5. Step 5: Solve for x
    x = 3,598,506,315,010.14/2,604,002.20
  6. Step 6: Final answer
    x = 1,381,913.70

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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.