Home / 1,820,937.20-2,731,405.80-622,679.90

Finding the Fourth Proportional to 1,820,937.20, 2,731,405.80 and 622,679.90

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Solution

The fourth proportional to 1,820,937.20, 2,731,405.80 and 622,679.90 is: 934,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,937.20 : 2,731,405.80 = 622,679.90 : x
  2. Step 2: Convert to fraction form
    1,820,937.20/2,731,405.80 = 622,679.90/x
  3. Step 3: Cross multiply
    1,820,937.20x = 2,731,405.80 × 622,679.90
  4. Step 4: Simplify right side
    1,820,937.20x = 1,700,791,490,403.42
  5. Step 5: Solve for x
    x = 1,700,791,490,403.42/1,820,937.20
  6. Step 6: Final answer
    x = 934,019.85

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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.