Home / 2,900,927.87-4,352,179.22-879,090.11

Finding the Fourth Proportional to 2,900,927.87, 4,352,179.22 and 879,090.11

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Solution

The fourth proportional to 2,900,927.87, 4,352,179.22 and 879,090.11 is: 1,318,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,927.87 : 4,352,179.22 = 879,090.11 : x
  2. Step 2: Convert to fraction form
    2,900,927.87/4,352,179.22 = 879,090.11/x
  3. Step 3: Cross multiply
    2,900,927.87x = 4,352,179.22 × 879,090.11
  4. Step 4: Simplify right side
    2,900,927.87x = 3,825,957,704,854.06
  5. Step 5: Solve for x
    x = 3,825,957,704,854.06/2,900,927.87
  6. Step 6: Final answer
    x = 1,318,873.78

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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.