Home / 2,479,425.48-3,421,344.24-1,391,816.88

Finding the Fourth Proportional to 2,479,425.48, 3,421,344.24 and 1,391,816.88

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Solution

The fourth proportional to 2,479,425.48, 3,421,344.24 and 1,391,816.88 is: 1,920,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,425.48 : 3,421,344.24 = 1,391,816.88 : x
  2. Step 2: Convert to fraction form
    2,479,425.48/3,421,344.24 = 1,391,816.88/x
  3. Step 3: Cross multiply
    2,479,425.48x = 3,421,344.24 × 1,391,816.88
  4. Step 4: Simplify right side
    2,479,425.48x = 4,761,884,665,522.77
  5. Step 5: Solve for x
    x = 4,761,884,665,522.77/2,479,425.48
  6. Step 6: Final answer
    x = 1,920,559.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.