Home / 1,919,891.31-2,880,002.34-499,949.97

Finding the Fourth Proportional to 1,919,891.31, 2,880,002.34 and 499,949.97

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Solution

The fourth proportional to 1,919,891.31, 2,880,002.34 and 499,949.97 is: 749,968.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,891.31 : 2,880,002.34 = 499,949.97 : x
  2. Step 2: Convert to fraction form
    1,919,891.31/2,880,002.34 = 499,949.97/x
  3. Step 3: Cross multiply
    1,919,891.31x = 2,880,002.34 × 499,949.97
  4. Step 4: Simplify right side
    1,919,891.31x = 1,439,857,083,482.93
  5. Step 5: Solve for x
    x = 1,439,857,083,482.93/1,919,891.31
  6. Step 6: Final answer
    x = 749,968.02

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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.