Home / 3,865,868.12-5,334,910.47-2,146,988.63

Finding the Fourth Proportional to 3,865,868.12, 5,334,910.47 and 2,146,988.63

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Solution

The fourth proportional to 3,865,868.12, 5,334,910.47 and 2,146,988.63 is: 2,962,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,868.12 : 5,334,910.47 = 2,146,988.63 : x
  2. Step 2: Convert to fraction form
    3,865,868.12/5,334,910.47 = 2,146,988.63/x
  3. Step 3: Cross multiply
    3,865,868.12x = 5,334,910.47 × 2,146,988.63
  4. Step 4: Simplify right side
    3,865,868.12x = 11,453,992,128,456.82
  5. Step 5: Solve for x
    x = 11,453,992,128,456.82/3,865,868.12
  6. Step 6: Final answer
    x = 2,962,851.24

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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.