Home / 2,278,926.34-3,144,569-1,311,869.77

Finding the Fourth Proportional to 2,278,926.34, 3,144,569 and 1,311,869.77

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Solution

The fourth proportional to 2,278,926.34, 3,144,569 and 1,311,869.77 is: 1,810,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,926.34 : 3,144,569 = 1,311,869.77 : x
  2. Step 2: Convert to fraction form
    2,278,926.34/3,144,569 = 1,311,869.77/x
  3. Step 3: Cross multiply
    2,278,926.34x = 3,144,569 × 1,311,869.77
  4. Step 4: Simplify right side
    2,278,926.34x = 4,125,265,010,779.13
  5. Step 5: Solve for x
    x = 4,125,265,010,779.13/2,278,926.34
  6. Step 6: Final answer
    x = 1,810,179.18

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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.