Home / 2,278,769.80-3,416,016.30-859,779.40

Finding the Fourth Proportional to 2,278,769.80, 3,416,016.30 and 859,779.40

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Solution

The fourth proportional to 2,278,769.80, 3,416,016.30 and 859,779.40 is: 1,288,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,769.80 : 3,416,016.30 = 859,779.40 : x
  2. Step 2: Convert to fraction form
    2,278,769.80/3,416,016.30 = 859,779.40/x
  3. Step 3: Cross multiply
    2,278,769.80x = 3,416,016.30 × 859,779.40
  4. Step 4: Simplify right side
    2,278,769.80x = 2,937,020,444,804.22
  5. Step 5: Solve for x
    x = 2,937,020,444,804.22/2,278,769.80
  6. Step 6: Final answer
    x = 1,288,862.28

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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.