Home / 3,147,306.60-4,720,959.90-1,126,518.60

Finding the Fourth Proportional to 3,147,306.60, 4,720,959.90 and 1,126,518.60

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Solution

The fourth proportional to 3,147,306.60, 4,720,959.90 and 1,126,518.60 is: 1,689,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,306.60 : 4,720,959.90 = 1,126,518.60 : x
  2. Step 2: Convert to fraction form
    3,147,306.60/4,720,959.90 = 1,126,518.60/x
  3. Step 3: Cross multiply
    3,147,306.60x = 4,720,959.90 × 1,126,518.60
  4. Step 4: Simplify right side
    3,147,306.60x = 5,318,249,137,204.14
  5. Step 5: Solve for x
    x = 5,318,249,137,204.14/3,147,306.60
  6. Step 6: Final answer
    x = 1,689,777.90

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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.