Home / 2,278,580-3,418,618.80-931,875.92

Finding the Fourth Proportional to 2,278,580, 3,418,618.80 and 931,875.92

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Solution

The fourth proportional to 2,278,580, 3,418,618.80 and 931,875.92 is: 1,398,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,580 : 3,418,618.80 = 931,875.92 : x
  2. Step 2: Convert to fraction form
    2,278,580/3,418,618.80 = 931,875.92/x
  3. Step 3: Cross multiply
    2,278,580x = 3,418,618.80 × 931,875.92
  4. Step 4: Simplify right side
    2,278,580x = 3,185,728,539,379.30
  5. Step 5: Solve for x
    x = 3,185,728,539,379.30/2,278,580
  6. Step 6: Final answer
    x = 1,398,120.12

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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.