Home / 3,658,305.60-5,487,458.40-998,913.60

Finding the Fourth Proportional to 3,658,305.60, 5,487,458.40 and 998,913.60

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Solution

The fourth proportional to 3,658,305.60, 5,487,458.40 and 998,913.60 is: 1,498,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,305.60 : 5,487,458.40 = 998,913.60 : x
  2. Step 2: Convert to fraction form
    3,658,305.60/5,487,458.40 = 998,913.60/x
  3. Step 3: Cross multiply
    3,658,305.60x = 5,487,458.40 × 998,913.60
  4. Step 4: Simplify right side
    3,658,305.60x = 5,481,496,825,194.24
  5. Step 5: Solve for x
    x = 5,481,496,825,194.24/3,658,305.60
  6. Step 6: Final answer
    x = 1,498,370.40

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Double scale
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Similar ratio
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1.5x scale

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.