Home / 4,815,374.67-7,222,988.70-1,172,131.56

Finding the Fourth Proportional to 4,815,374.67, 7,222,988.70 and 1,172,131.56

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Solution

The fourth proportional to 4,815,374.67, 7,222,988.70 and 1,172,131.56 is: 1,758,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,374.67 : 7,222,988.70 = 1,172,131.56 : x
  2. Step 2: Convert to fraction form
    4,815,374.67/7,222,988.70 = 1,172,131.56/x
  3. Step 3: Cross multiply
    4,815,374.67x = 7,222,988.70 × 1,172,131.56
  4. Step 4: Simplify right side
    4,815,374.67x = 8,466,293,012,793.37
  5. Step 5: Solve for x
    x = 8,466,293,012,793.37/4,815,374.67
  6. Step 6: Final answer
    x = 1,758,179.50

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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.