Home / 2,187,002.30-3,280,503.46-1,956,711.20

Finding the Fourth Proportional to 2,187,002.30, 3,280,503.46 and 1,956,711.20

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Solution

The fourth proportional to 2,187,002.30, 3,280,503.46 and 1,956,711.20 is: 2,935,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,002.30 : 3,280,503.46 = 1,956,711.20 : x
  2. Step 2: Convert to fraction form
    2,187,002.30/3,280,503.46 = 1,956,711.20/x
  3. Step 3: Cross multiply
    2,187,002.30x = 3,280,503.46 × 1,956,711.20
  4. Step 4: Simplify right side
    2,187,002.30x = 6,418,997,861,820.75
  5. Step 5: Solve for x
    x = 6,418,997,861,820.75/2,187,002.30
  6. Step 6: Final answer
    x = 2,935,066.81

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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.