Home / 5,435,037.20-7,500,444.52-2,987,751.28

Finding the Fourth Proportional to 5,435,037.20, 7,500,444.52 and 2,987,751.28

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Solution

The fourth proportional to 5,435,037.20, 7,500,444.52 and 2,987,751.28 is: 4,123,147.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435,037.20 : 7,500,444.52 = 2,987,751.28 : x
  2. Step 2: Convert to fraction form
    5,435,037.20/7,500,444.52 = 2,987,751.28/x
  3. Step 3: Cross multiply
    5,435,037.20x = 7,500,444.52 × 2,987,751.28
  4. Step 4: Simplify right side
    5,435,037.20x = 22,409,462,715,198.98
  5. Step 5: Solve for x
    x = 22,409,462,715,198.98/5,435,037.20
  6. Step 6: Final answer
    x = 4,123,147.99

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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.