Home / 1,920,869.20-2,888,302.20-1,612,939.60

Finding the Fourth Proportional to 1,920,869.20, 2,888,302.20 and 1,612,939.60

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Solution

The fourth proportional to 1,920,869.20, 2,888,302.20 and 1,612,939.60 is: 2,425,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,869.20 : 2,888,302.20 = 1,612,939.60 : x
  2. Step 2: Convert to fraction form
    1,920,869.20/2,888,302.20 = 1,612,939.60/x
  3. Step 3: Cross multiply
    1,920,869.20x = 2,888,302.20 × 1,612,939.60
  4. Step 4: Simplify right side
    1,920,869.20x = 4,658,656,995,147.12
  5. Step 5: Solve for x
    x = 4,658,656,995,147.12/1,920,869.20
  6. Step 6: Final answer
    x = 2,425,285.90

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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.