Home / 2,609,767.80-3,908,430.90-1,601,998.20

Finding the Fourth Proportional to 2,609,767.80, 3,908,430.90 and 1,601,998.20

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Solution

The fourth proportional to 2,609,767.80, 3,908,430.90 and 1,601,998.20 is: 2,399,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609,767.80 : 3,908,430.90 = 1,601,998.20 : x
  2. Step 2: Convert to fraction form
    2,609,767.80/3,908,430.90 = 1,601,998.20/x
  3. Step 3: Cross multiply
    2,609,767.80x = 3,908,430.90 × 1,601,998.20
  4. Step 4: Simplify right side
    2,609,767.80x = 6,261,299,266,624.38
  5. Step 5: Solve for x
    x = 6,261,299,266,624.38/2,609,767.80
  6. Step 6: Final answer
    x = 2,399,178.68

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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.