Home / 3,845,639.10-5,306,765.82-2,102,962.56

Finding the Fourth Proportional to 3,845,639.10, 5,306,765.82 and 2,102,962.56

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Solution

The fourth proportional to 3,845,639.10, 5,306,765.82 and 2,102,962.56 is: 2,901,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845,639.10 : 5,306,765.82 = 2,102,962.56 : x
  2. Step 2: Convert to fraction form
    3,845,639.10/5,306,765.82 = 2,102,962.56/x
  3. Step 3: Cross multiply
    3,845,639.10x = 5,306,765.82 × 2,102,962.56
  4. Step 4: Simplify right side
    3,845,639.10x = 11,159,929,834,147.70
  5. Step 5: Solve for x
    x = 11,159,929,834,147.70/3,845,639.10
  6. Step 6: Final answer
    x = 2,901,970.14

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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.