Home / 3,868,258.40-5,336,974.32-2,319,201.44

Finding the Fourth Proportional to 3,868,258.40, 5,336,974.32 and 2,319,201.44

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Solution

The fourth proportional to 3,868,258.40, 5,336,974.32 and 2,319,201.44 is: 3,199,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,258.40 : 5,336,974.32 = 2,319,201.44 : x
  2. Step 2: Convert to fraction form
    3,868,258.40/5,336,974.32 = 2,319,201.44/x
  3. Step 3: Cross multiply
    3,868,258.40x = 5,336,974.32 × 2,319,201.44
  4. Step 4: Simplify right side
    3,868,258.40x = 12,377,518,528,187.02
  5. Step 5: Solve for x
    x = 12,377,518,528,187.02/3,868,258.40
  6. Step 6: Final answer
    x = 3,199,765.18

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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.