Home / 3,128,566.90-4,692,850.35-1,330,998.70

Finding the Fourth Proportional to 3,128,566.90, 4,692,850.35 and 1,330,998.70

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Solution

The fourth proportional to 3,128,566.90, 4,692,850.35 and 1,330,998.70 is: 1,996,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,566.90 : 4,692,850.35 = 1,330,998.70 : x
  2. Step 2: Convert to fraction form
    3,128,566.90/4,692,850.35 = 1,330,998.70/x
  3. Step 3: Cross multiply
    3,128,566.90x = 4,692,850.35 × 1,330,998.70
  4. Step 4: Simplify right side
    3,128,566.90x = 6,246,177,715,144.54
  5. Step 5: Solve for x
    x = 6,246,177,715,144.54/3,128,566.90
  6. Step 6: Final answer
    x = 1,996,498.05

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Similar ratio
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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.