Home / 5,182,009.52-7,151,182.68-2,890,317.92

Finding the Fourth Proportional to 5,182,009.52, 7,151,182.68 and 2,890,317.92

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Solution

The fourth proportional to 5,182,009.52, 7,151,182.68 and 2,890,317.92 is: 3,988,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,009.52 : 7,151,182.68 = 2,890,317.92 : x
  2. Step 2: Convert to fraction form
    5,182,009.52/7,151,182.68 = 2,890,317.92/x
  3. Step 3: Cross multiply
    5,182,009.52x = 7,151,182.68 × 2,890,317.92
  4. Step 4: Simplify right side
    5,182,009.52x = 20,669,191,449,197.62
  5. Step 5: Solve for x
    x = 20,669,191,449,197.62/5,182,009.52
  6. Step 6: Final answer
    x = 3,988,644.05

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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.