Home / 3,486,721.60-5,229,045.60-1,355,579.20

Finding the Fourth Proportional to 3,486,721.60, 5,229,045.60 and 1,355,579.20

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Solution

The fourth proportional to 3,486,721.60, 5,229,045.60 and 1,355,579.20 is: 2,032,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486,721.60 : 5,229,045.60 = 1,355,579.20 : x
  2. Step 2: Convert to fraction form
    3,486,721.60/5,229,045.60 = 1,355,579.20/x
  3. Step 3: Cross multiply
    3,486,721.60x = 5,229,045.60 × 1,355,579.20
  4. Step 4: Simplify right side
    3,486,721.60x = 7,088,385,451,211.52
  5. Step 5: Solve for x
    x = 7,088,385,451,211.52/3,486,721.60
  6. Step 6: Final answer
    x = 2,032,965.71

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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.