Home / 1,998,043.42-2,996,566.18-783,867.50

Finding the Fourth Proportional to 1,998,043.42, 2,996,566.18 and 783,867.50

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Solution

The fourth proportional to 1,998,043.42, 2,996,566.18 and 783,867.50 is: 1,175,605.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,043.42 : 2,996,566.18 = 783,867.50 : x
  2. Step 2: Convert to fraction form
    1,998,043.42/2,996,566.18 = 783,867.50/x
  3. Step 3: Cross multiply
    1,998,043.42x = 2,996,566.18 × 783,867.50
  4. Step 4: Simplify right side
    1,998,043.42x = 2,348,910,840,101.15
  5. Step 5: Solve for x
    x = 2,348,910,840,101.15/1,998,043.42
  6. Step 6: Final answer
    x = 1,175,605.50

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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.