Home / 3,828,417.60-5,282,978.24-2,109,441.92

Finding the Fourth Proportional to 3,828,417.60, 5,282,978.24 and 2,109,441.92

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Solution

The fourth proportional to 3,828,417.60, 5,282,978.24 and 2,109,441.92 is: 2,910,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,417.60 : 5,282,978.24 = 2,109,441.92 : x
  2. Step 2: Convert to fraction form
    3,828,417.60/5,282,978.24 = 2,109,441.92/x
  3. Step 3: Cross multiply
    3,828,417.60x = 5,282,978.24 × 2,109,441.92
  4. Step 4: Simplify right side
    3,828,417.60x = 11,144,135,761,903.82
  5. Step 5: Solve for x
    x = 11,144,135,761,903.82/3,828,417.60
  6. Step 6: Final answer
    x = 2,910,898.69

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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.