Home / 2,878,140.20-4,317,151.01-959,190.77

Finding the Fourth Proportional to 2,878,140.20, 4,317,151.01 and 959,190.77

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Solution

The fourth proportional to 2,878,140.20, 4,317,151.01 and 959,190.77 is: 1,438,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,140.20 : 4,317,151.01 = 959,190.77 : x
  2. Step 2: Convert to fraction form
    2,878,140.20/4,317,151.01 = 959,190.77/x
  3. Step 3: Cross multiply
    2,878,140.20x = 4,317,151.01 × 959,190.77
  4. Step 4: Simplify right side
    2,878,140.20x = 4,140,971,375,106.47
  5. Step 5: Solve for x
    x = 4,140,971,375,106.47/2,878,140.20
  6. Step 6: Final answer
    x = 1,438,766.39

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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.