Home / 1,983,575.68-2,737,338.24-1,078,155.52

Finding the Fourth Proportional to 1,983,575.68, 2,737,338.24 and 1,078,155.52

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Solution

The fourth proportional to 1,983,575.68, 2,737,338.24 and 1,078,155.52 is: 1,487,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,575.68 : 2,737,338.24 = 1,078,155.52 : x
  2. Step 2: Convert to fraction form
    1,983,575.68/2,737,338.24 = 1,078,155.52/x
  3. Step 3: Cross multiply
    1,983,575.68x = 2,737,338.24 × 1,078,155.52
  4. Step 4: Simplify right side
    1,983,575.68x = 2,951,276,333,563.09
  5. Step 5: Solve for x
    x = 2,951,276,333,563.09/1,983,575.68
  6. Step 6: Final answer
    x = 1,487,856.68

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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.