Home / 7,239,281.60-10,860,380.40-2,121,701.60

Finding the Fourth Proportional to 7,239,281.60, 10,860,380.40 and 2,121,701.60

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Solution

The fourth proportional to 7,239,281.60, 10,860,380.40 and 2,121,701.60 is: 3,182,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,281.60 : 10,860,380.40 = 2,121,701.60 : x
  2. Step 2: Convert to fraction form
    7,239,281.60/10,860,380.40 = 2,121,701.60/x
  3. Step 3: Cross multiply
    7,239,281.60x = 10,860,380.40 × 2,121,701.60
  4. Step 4: Simplify right side
    7,239,281.60x = 23,042,486,471,288.64
  5. Step 5: Solve for x
    x = 23,042,486,471,288.64/7,239,281.60
  6. Step 6: Final answer
    x = 3,182,979.71

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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.