Home / 2,803,629.42-4,205,383.65-781,819.38

Finding the Fourth Proportional to 2,803,629.42, 4,205,383.65 and 781,819.38

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Solution

The fourth proportional to 2,803,629.42, 4,205,383.65 and 781,819.38 is: 1,172,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,629.42 : 4,205,383.65 = 781,819.38 : x
  2. Step 2: Convert to fraction form
    2,803,629.42/4,205,383.65 = 781,819.38/x
  3. Step 3: Cross multiply
    2,803,629.42x = 4,205,383.65 × 781,819.38
  4. Step 4: Simplify right side
    2,803,629.42x = 3,287,850,437,905.14
  5. Step 5: Solve for x
    x = 3,287,850,437,905.14/2,803,629.42
  6. Step 6: Final answer
    x = 1,172,712.20

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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.