Home / 3,119,860.89-4,305,436.53-1,830,722.76

Finding the Fourth Proportional to 3,119,860.89, 4,305,436.53 and 1,830,722.76

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Solution

The fourth proportional to 3,119,860.89, 4,305,436.53 and 1,830,722.76 is: 2,526,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,860.89 : 4,305,436.53 = 1,830,722.76 : x
  2. Step 2: Convert to fraction form
    3,119,860.89/4,305,436.53 = 1,830,722.76/x
  3. Step 3: Cross multiply
    3,119,860.89x = 4,305,436.53 × 1,830,722.76
  4. Step 4: Simplify right side
    3,119,860.89x = 7,882,060,647,206.42
  5. Step 5: Solve for x
    x = 7,882,060,647,206.42/3,119,860.89
  6. Step 6: Final answer
    x = 2,526,414.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.