Home / 3,140,051.92-4,711,023.38-980,989.80

Finding the Fourth Proportional to 3,140,051.92, 4,711,023.38 and 980,989.80

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Solution

The fourth proportional to 3,140,051.92, 4,711,023.38 and 980,989.80 is: 1,471,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,051.92 : 4,711,023.38 = 980,989.80 : x
  2. Step 2: Convert to fraction form
    3,140,051.92/4,711,023.38 = 980,989.80/x
  3. Step 3: Cross multiply
    3,140,051.92x = 4,711,023.38 × 980,989.80
  4. Step 4: Simplify right side
    3,140,051.92x = 4,621,465,883,341.52
  5. Step 5: Solve for x
    x = 4,621,465,883,341.52/3,140,051.92
  6. Step 6: Final answer
    x = 1,471,780.09

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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.