Home / 3,166,423.15-4,749,634.88-1,272,721.72

Finding the Fourth Proportional to 3,166,423.15, 4,749,634.88 and 1,272,721.72

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Solution

The fourth proportional to 3,166,423.15, 4,749,634.88 and 1,272,721.72 is: 1,909,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166,423.15 : 4,749,634.88 = 1,272,721.72 : x
  2. Step 2: Convert to fraction form
    3,166,423.15/4,749,634.88 = 1,272,721.72/x
  3. Step 3: Cross multiply
    3,166,423.15x = 4,749,634.88 × 1,272,721.72
  4. Step 4: Simplify right side
    3,166,423.15x = 6,044,963,467,481.99
  5. Step 5: Solve for x
    x = 6,044,963,467,481.99/3,166,423.15
  6. Step 6: Final answer
    x = 1,909,082.64

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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.