Home / 1,943,909.80-2,913,500.68-1,375,454.72

Finding the Fourth Proportional to 1,943,909.80, 2,913,500.68 and 1,375,454.72

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Solution

The fourth proportional to 1,943,909.80, 2,913,500.68 and 1,375,454.72 is: 2,061,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,909.80 : 2,913,500.68 = 1,375,454.72 : x
  2. Step 2: Convert to fraction form
    1,943,909.80/2,913,500.68 = 1,375,454.72/x
  3. Step 3: Cross multiply
    1,943,909.80x = 2,913,500.68 × 1,375,454.72
  4. Step 4: Simplify right side
    1,943,909.80x = 4,007,388,262,029.21
  5. Step 5: Solve for x
    x = 4,007,388,262,029.21/1,943,909.80
  6. Step 6: Final answer
    x = 2,061,509.37

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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.