Home / 2,578,708.20-3,860,189.10-2,011,837.80

Finding the Fourth Proportional to 2,578,708.20, 3,860,189.10 and 2,011,837.80

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Solution

The fourth proportional to 2,578,708.20, 3,860,189.10 and 2,011,837.80 is: 3,011,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,708.20 : 3,860,189.10 = 2,011,837.80 : x
  2. Step 2: Convert to fraction form
    2,578,708.20/3,860,189.10 = 2,011,837.80/x
  3. Step 3: Cross multiply
    2,578,708.20x = 3,860,189.10 × 2,011,837.80
  4. Step 4: Simplify right side
    2,578,708.20x = 7,766,074,346,527.98
  5. Step 5: Solve for x
    x = 7,766,074,346,527.98/2,578,708.20
  6. Step 6: Final answer
    x = 3,011,614.24

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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.