Home / 1,620,373.10-2,429,004.45-1,260,344.30

Finding the Fourth Proportional to 1,620,373.10, 2,429,004.45 and 1,260,344.30

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Solution

The fourth proportional to 1,620,373.10, 2,429,004.45 and 1,260,344.30 is: 1,889,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,373.10 : 2,429,004.45 = 1,260,344.30 : x
  2. Step 2: Convert to fraction form
    1,620,373.10/2,429,004.45 = 1,260,344.30/x
  3. Step 3: Cross multiply
    1,620,373.10x = 2,429,004.45 × 1,260,344.30
  4. Step 4: Simplify right side
    1,620,373.10x = 3,061,381,913,232.14
  5. Step 5: Solve for x
    x = 3,061,381,913,232.14/1,620,373.10
  6. Step 6: Final answer
    x = 1,889,306.80

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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.