Home / 2,419,433.12-3,629,159.18-980,143.71

Finding the Fourth Proportional to 2,419,433.12, 3,629,159.18 and 980,143.71

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Solution

The fourth proportional to 2,419,433.12, 3,629,159.18 and 980,143.71 is: 1,470,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,433.12 : 3,629,159.18 = 980,143.71 : x
  2. Step 2: Convert to fraction form
    2,419,433.12/3,629,159.18 = 980,143.71/x
  3. Step 3: Cross multiply
    2,419,433.12x = 3,629,159.18 × 980,143.71
  4. Step 4: Simplify right side
    2,419,433.12x = 3,557,097,545,316.12
  5. Step 5: Solve for x
    x = 3,557,097,545,316.12/2,419,433.12
  6. Step 6: Final answer
    x = 1,470,219.42

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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.