Home / 6,387,739.80-9,581,609.70-4,120,258.20

Finding the Fourth Proportional to 6,387,739.80, 9,581,609.70 and 4,120,258.20

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Solution

The fourth proportional to 6,387,739.80, 9,581,609.70 and 4,120,258.20 is: 6,180,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,739.80 : 9,581,609.70 = 4,120,258.20 : x
  2. Step 2: Convert to fraction form
    6,387,739.80/9,581,609.70 = 4,120,258.20/x
  3. Step 3: Cross multiply
    6,387,739.80x = 9,581,609.70 × 4,120,258.20
  4. Step 4: Simplify right side
    6,387,739.80x = 39,478,705,935,624.54
  5. Step 5: Solve for x
    x = 39,478,705,935,624.54/6,387,739.80
  6. Step 6: Final answer
    x = 6,180,387.30

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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.