Home / 2,870,442.60-4,304,108.70-1,187,716.20

Finding the Fourth Proportional to 2,870,442.60, 4,304,108.70 and 1,187,716.20

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Solution

The fourth proportional to 2,870,442.60, 4,304,108.70 and 1,187,716.20 is: 1,780,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,442.60 : 4,304,108.70 = 1,187,716.20 : x
  2. Step 2: Convert to fraction form
    2,870,442.60/4,304,108.70 = 1,187,716.20/x
  3. Step 3: Cross multiply
    2,870,442.60x = 4,304,108.70 × 1,187,716.20
  4. Step 4: Simplify right side
    2,870,442.60x = 5,112,059,629,550.94
  5. Step 5: Solve for x
    x = 5,112,059,629,550.94/2,870,442.60
  6. Step 6: Final answer
    x = 1,780,930.80

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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.