Home / 2,609,770.80-3,908,435.40-1,602,001.20

Finding the Fourth Proportional to 2,609,770.80, 3,908,435.40 and 1,602,001.20

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Solution

The fourth proportional to 2,609,770.80, 3,908,435.40 and 1,602,001.20 is: 2,399,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609,770.80 : 3,908,435.40 = 1,602,001.20 : x
  2. Step 2: Convert to fraction form
    2,609,770.80/3,908,435.40 = 1,602,001.20/x
  3. Step 3: Cross multiply
    2,609,770.80x = 3,908,435.40 × 1,602,001.20
  4. Step 4: Simplify right side
    2,609,770.80x = 6,261,318,200,922.48
  5. Step 5: Solve for x
    x = 6,261,318,200,922.48/2,609,770.80
  6. Step 6: Final answer
    x = 2,399,183.18

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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.