Home / 3,862,395.95-5,330,071.88-2,120,013.73

Finding the Fourth Proportional to 3,862,395.95, 5,330,071.88 and 2,120,013.73

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Solution

The fourth proportional to 3,862,395.95, 5,330,071.88 and 2,120,013.73 is: 2,925,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,395.95 : 5,330,071.88 = 2,120,013.73 : x
  2. Step 2: Convert to fraction form
    3,862,395.95/5,330,071.88 = 2,120,013.73/x
  3. Step 3: Cross multiply
    3,862,395.95x = 5,330,071.88 × 2,120,013.73
  4. Step 4: Simplify right side
    3,862,395.95x = 11,299,825,530,236.48
  5. Step 5: Solve for x
    x = 11,299,825,530,236.48/3,862,395.95
  6. Step 6: Final answer
    x = 2,925,599.98

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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.