Home / 3,810,729.20-5,258,785.54-2,091,878.96

Finding the Fourth Proportional to 3,810,729.20, 5,258,785.54 and 2,091,878.96

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Solution

The fourth proportional to 3,810,729.20, 5,258,785.54 and 2,091,878.96 is: 2,886,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810,729.20 : 5,258,785.54 = 2,091,878.96 : x
  2. Step 2: Convert to fraction form
    3,810,729.20/5,258,785.54 = 2,091,878.96/x
  3. Step 3: Cross multiply
    3,810,729.20x = 5,258,785.54 × 2,091,878.96
  4. Step 4: Simplify right side
    3,810,729.20x = 11,000,742,826,278.24
  5. Step 5: Solve for x
    x = 11,000,742,826,278.24/3,810,729.20
  6. Step 6: Final answer
    x = 2,886,781.57

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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.