Home / 3,128,442.38-4,317,250.48-1,697,658.38

Finding the Fourth Proportional to 3,128,442.38, 4,317,250.48 and 1,697,658.38

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Solution

The fourth proportional to 3,128,442.38, 4,317,250.48 and 1,697,658.38 is: 2,342,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,442.38 : 4,317,250.48 = 1,697,658.38 : x
  2. Step 2: Convert to fraction form
    3,128,442.38/4,317,250.48 = 1,697,658.38/x
  3. Step 3: Cross multiply
    3,128,442.38x = 4,317,250.48 × 1,697,658.38
  4. Step 4: Simplify right side
    3,128,442.38x = 7,329,216,430,100.62
  5. Step 5: Solve for x
    x = 7,329,216,430,100.62/3,128,442.38
  6. Step 6: Final answer
    x = 2,342,768.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.