Home / 2,989,737.73-4,125,780.52-1,631,620.45

Finding the Fourth Proportional to 2,989,737.73, 4,125,780.52 and 1,631,620.45

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Solution

The fourth proportional to 2,989,737.73, 4,125,780.52 and 1,631,620.45 is: 2,251,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,737.73 : 4,125,780.52 = 1,631,620.45 : x
  2. Step 2: Convert to fraction form
    2,989,737.73/4,125,780.52 = 1,631,620.45/x
  3. Step 3: Cross multiply
    2,989,737.73x = 4,125,780.52 × 1,631,620.45
  4. Step 4: Simplify right side
    2,989,737.73x = 6,731,707,868,643.63
  5. Step 5: Solve for x
    x = 6,731,707,868,643.63/2,989,737.73
  6. Step 6: Final answer
    x = 2,251,604.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.