Home / 2,990,375.10-4,480,216.65-1,819,763.10

Finding the Fourth Proportional to 2,990,375.10, 4,480,216.65 and 1,819,763.10

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Solution

The fourth proportional to 2,990,375.10, 4,480,216.65 and 1,819,763.10 is: 2,726,391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,375.10 : 4,480,216.65 = 1,819,763.10 : x
  2. Step 2: Convert to fraction form
    2,990,375.10/4,480,216.65 = 1,819,763.10/x
  3. Step 3: Cross multiply
    2,990,375.10x = 4,480,216.65 × 1,819,763.10
  4. Step 4: Simplify right side
    2,990,375.10x = 8,152,932,939,675.62
  5. Step 5: Solve for x
    x = 8,152,932,939,675.62/2,990,375.10
  6. Step 6: Final answer
    x = 2,726,391.39

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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.