Home / 5,513,939.10-8,272,029.65-1,919,986.30

Finding the Fourth Proportional to 5,513,939.10, 8,272,029.65 and 1,919,986.30

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Solution

The fourth proportional to 5,513,939.10, 8,272,029.65 and 1,919,986.30 is: 2,880,369.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513,939.10 : 8,272,029.65 = 1,919,986.30 : x
  2. Step 2: Convert to fraction form
    5,513,939.10/8,272,029.65 = 1,919,986.30/x
  3. Step 3: Cross multiply
    5,513,939.10x = 8,272,029.65 × 1,919,986.30
  4. Step 4: Simplify right side
    5,513,939.10x = 15,882,183,601,193.80
  5. Step 5: Solve for x
    x = 15,882,183,601,193.80/5,513,939.10
  6. Step 6: Final answer
    x = 2,880,369.79

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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.