Home / 3,142,617.18-4,711,996.56-1,221,284.98

Finding the Fourth Proportional to 3,142,617.18, 4,711,996.56 and 1,221,284.98

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Solution

The fourth proportional to 3,142,617.18, 4,711,996.56 and 1,221,284.98 is: 1,831,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,617.18 : 4,711,996.56 = 1,221,284.98 : x
  2. Step 2: Convert to fraction form
    3,142,617.18/4,711,996.56 = 1,221,284.98/x
  3. Step 3: Cross multiply
    3,142,617.18x = 4,711,996.56 × 1,221,284.98
  4. Step 4: Simplify right side
    3,142,617.18x = 5,754,690,624,539.67
  5. Step 5: Solve for x
    x = 5,754,690,624,539.67/3,142,617.18
  6. Step 6: Final answer
    x = 1,831,177.74

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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.