Home / 6,615,352.20-9,925,793.10-2,129,003.40

Finding the Fourth Proportional to 6,615,352.20, 9,925,793.10 and 2,129,003.40

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Solution

The fourth proportional to 6,615,352.20, 9,925,793.10 and 2,129,003.40 is: 3,194,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615,352.20 : 9,925,793.10 = 2,129,003.40 : x
  2. Step 2: Convert to fraction form
    6,615,352.20/9,925,793.10 = 2,129,003.40/x
  3. Step 3: Cross multiply
    6,615,352.20x = 9,925,793.10 × 2,129,003.40
  4. Step 4: Simplify right side
    6,615,352.20x = 21,132,047,257,596.54
  5. Step 5: Solve for x
    x = 21,132,047,257,596.54/6,615,352.20
  6. Step 6: Final answer
    x = 3,194,394.89

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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.