Home / 3,875,954.64-5,348,765.20-2,157,074.72

Finding the Fourth Proportional to 3,875,954.64, 5,348,765.20 and 2,157,074.72

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Solution

The fourth proportional to 3,875,954.64, 5,348,765.20 and 2,157,074.72 is: 2,976,734.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875,954.64 : 5,348,765.20 = 2,157,074.72 : x
  2. Step 2: Convert to fraction form
    3,875,954.64/5,348,765.20 = 2,157,074.72/x
  3. Step 3: Cross multiply
    3,875,954.64x = 5,348,765.20 × 2,157,074.72
  4. Step 4: Simplify right side
    3,875,954.64x = 11,537,686,196,135.75
  5. Step 5: Solve for x
    x = 11,537,686,196,135.75/3,875,954.64
  6. Step 6: Final answer
    x = 2,976,734.06

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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.