Home / 4,782,005.64-7,168,761.50-1,863,422.75

Finding the Fourth Proportional to 4,782,005.64, 7,168,761.50 and 1,863,422.75

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Solution

The fourth proportional to 4,782,005.64, 7,168,761.50 and 1,863,422.75 is: 2,793,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782,005.64 : 7,168,761.50 = 1,863,422.75 : x
  2. Step 2: Convert to fraction form
    4,782,005.64/7,168,761.50 = 1,863,422.75/x
  3. Step 3: Cross multiply
    4,782,005.64x = 7,168,761.50 × 1,863,422.75
  4. Step 4: Simplify right side
    4,782,005.64x = 13,358,433,277,028.91
  5. Step 5: Solve for x
    x = 13,358,433,277,028.91/4,782,005.64
  6. Step 6: Final answer
    x = 2,793,479.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.