Home / 5,329,057.20-7,991,836.20-1,962,826.80

Finding the Fourth Proportional to 5,329,057.20, 7,991,836.20 and 1,962,826.80

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Solution

The fourth proportional to 5,329,057.20, 7,991,836.20 and 1,962,826.80 is: 2,943,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329,057.20 : 7,991,836.20 = 1,962,826.80 : x
  2. Step 2: Convert to fraction form
    5,329,057.20/7,991,836.20 = 1,962,826.80/x
  3. Step 3: Cross multiply
    5,329,057.20x = 7,991,836.20 × 1,962,826.80
  4. Step 4: Simplify right side
    5,329,057.20x = 15,686,590,274,570.16
  5. Step 5: Solve for x
    x = 15,686,590,274,570.16/5,329,057.20
  6. Step 6: Final answer
    x = 2,943,595.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.