Home / 3,555,315.12-5,333,636.07-1,425,565.92

Finding the Fourth Proportional to 3,555,315.12, 5,333,636.07 and 1,425,565.92

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Solution

The fourth proportional to 3,555,315.12, 5,333,636.07 and 1,425,565.92 is: 2,138,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555,315.12 : 5,333,636.07 = 1,425,565.92 : x
  2. Step 2: Convert to fraction form
    3,555,315.12/5,333,636.07 = 1,425,565.92/x
  3. Step 3: Cross multiply
    3,555,315.12x = 5,333,636.07 × 1,425,565.92
  4. Step 4: Simplify right side
    3,555,315.12x = 7,603,449,811,074.74
  5. Step 5: Solve for x
    x = 7,603,449,811,074.74/3,555,315.12
  6. Step 6: Final answer
    x = 2,138,614.88

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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.