Home / 5,578,685.22-7,697,994.18-3,131,565.86

Finding the Fourth Proportional to 5,578,685.22, 7,697,994.18 and 3,131,565.86

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Solution

The fourth proportional to 5,578,685.22, 7,697,994.18 and 3,131,565.86 is: 4,321,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578,685.22 : 7,697,994.18 = 3,131,565.86 : x
  2. Step 2: Convert to fraction form
    5,578,685.22/7,697,994.18 = 3,131,565.86/x
  3. Step 3: Cross multiply
    5,578,685.22x = 7,697,994.18 × 3,131,565.86
  4. Step 4: Simplify right side
    5,578,685.22x = 24,106,775,764,566.69
  5. Step 5: Solve for x
    x = 24,106,775,764,566.69/5,578,685.22
  6. Step 6: Final answer
    x = 4,321,228.89

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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.