Home / 2,758,948.80-4,138,423.20-1,163,313.60

Finding the Fourth Proportional to 2,758,948.80, 4,138,423.20 and 1,163,313.60

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Solution

The fourth proportional to 2,758,948.80, 4,138,423.20 and 1,163,313.60 is: 1,744,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,948.80 : 4,138,423.20 = 1,163,313.60 : x
  2. Step 2: Convert to fraction form
    2,758,948.80/4,138,423.20 = 1,163,313.60/x
  3. Step 3: Cross multiply
    2,758,948.80x = 4,138,423.20 × 1,163,313.60
  4. Step 4: Simplify right side
    2,758,948.80x = 4,814,283,991,115.52
  5. Step 5: Solve for x
    x = 4,814,283,991,115.52/2,758,948.80
  6. Step 6: Final answer
    x = 1,744,970.40

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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.