Home / 2,578,675.20-3,860,139.60-2,011,804.80

Finding the Fourth Proportional to 2,578,675.20, 3,860,139.60 and 2,011,804.80

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Solution

The fourth proportional to 2,578,675.20, 3,860,139.60 and 2,011,804.80 is: 3,011,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,675.20 : 3,860,139.60 = 2,011,804.80 : x
  2. Step 2: Convert to fraction form
    2,578,675.20/3,860,139.60 = 2,011,804.80/x
  3. Step 3: Cross multiply
    2,578,675.20x = 3,860,139.60 × 2,011,804.80
  4. Step 4: Simplify right side
    2,578,675.20x = 7,765,847,375,950.08
  5. Step 5: Solve for x
    x = 7,765,847,375,950.08/2,578,675.20
  6. Step 6: Final answer
    x = 3,011,564.77

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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.