Home / 3,620,860.30-5,431,946.55-1,819,209.70

Finding the Fourth Proportional to 3,620,860.30, 5,431,946.55 and 1,819,209.70

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Solution

The fourth proportional to 3,620,860.30, 5,431,946.55 and 1,819,209.70 is: 2,729,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,860.30 : 5,431,946.55 = 1,819,209.70 : x
  2. Step 2: Convert to fraction form
    3,620,860.30/5,431,946.55 = 1,819,209.70/x
  3. Step 3: Cross multiply
    3,620,860.30x = 5,431,946.55 × 1,819,209.70
  4. Step 4: Simplify right side
    3,620,860.30x = 9,881,849,853,641.54
  5. Step 5: Solve for x
    x = 9,881,849,853,641.54/3,620,860.30
  6. Step 6: Final answer
    x = 2,729,144.19

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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.