Home / 3,121,372-4,307,843.46-1,763,332.48

Finding the Fourth Proportional to 3,121,372, 4,307,843.46 and 1,763,332.48

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Solution

The fourth proportional to 3,121,372, 4,307,843.46 and 1,763,332.48 is: 2,433,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,372 : 4,307,843.46 = 1,763,332.48 : x
  2. Step 2: Convert to fraction form
    3,121,372/4,307,843.46 = 1,763,332.48/x
  3. Step 3: Cross multiply
    3,121,372x = 4,307,843.46 × 1,763,332.48
  4. Step 4: Simplify right side
    3,121,372x = 7,596,160,291,773.58
  5. Step 5: Solve for x
    x = 7,596,160,291,773.58/3,121,372
  6. Step 6: Final answer
    x = 2,433,596.60

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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.