Home / 2,065,732.20-3,098,598.30-1,393,885.80

Finding the Fourth Proportional to 2,065,732.20, 3,098,598.30 and 1,393,885.80

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Solution

The fourth proportional to 2,065,732.20, 3,098,598.30 and 1,393,885.80 is: 2,090,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,732.20 : 3,098,598.30 = 1,393,885.80 : x
  2. Step 2: Convert to fraction form
    2,065,732.20/3,098,598.30 = 1,393,885.80/x
  3. Step 3: Cross multiply
    2,065,732.20x = 3,098,598.30 × 1,393,885.80
  4. Step 4: Simplify right side
    2,065,732.20x = 4,319,092,170,274.14
  5. Step 5: Solve for x
    x = 4,319,092,170,274.14/2,065,732.20
  6. Step 6: Final answer
    x = 2,090,828.70

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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.