Home / 3,670,129.20-5,502,569.40-1,646,716.80

Finding the Fourth Proportional to 3,670,129.20, 5,502,569.40 and 1,646,716.80

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Solution

The fourth proportional to 3,670,129.20, 5,502,569.40 and 1,646,716.80 is: 2,468,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,129.20 : 5,502,569.40 = 1,646,716.80 : x
  2. Step 2: Convert to fraction form
    3,670,129.20/5,502,569.40 = 1,646,716.80/x
  3. Step 3: Cross multiply
    3,670,129.20x = 5,502,569.40 × 1,646,716.80
  4. Step 4: Simplify right side
    3,670,129.20x = 9,061,173,474,145.92
  5. Step 5: Solve for x
    x = 9,061,173,474,145.92/3,670,129.20
  6. Step 6: Final answer
    x = 2,468,897.68

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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.