Home / 4,540,412.72-6,810,422.24-1,128,627.12

Finding the Fourth Proportional to 4,540,412.72, 6,810,422.24 and 1,128,627.12

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Solution

The fourth proportional to 4,540,412.72, 6,810,422.24 and 1,128,627.12 is: 1,692,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540,412.72 : 6,810,422.24 = 1,128,627.12 : x
  2. Step 2: Convert to fraction form
    4,540,412.72/6,810,422.24 = 1,128,627.12/x
  3. Step 3: Cross multiply
    4,540,412.72x = 6,810,422.24 × 1,128,627.12
  4. Step 4: Simplify right side
    4,540,412.72x = 7,686,427,238,715.15
  5. Step 5: Solve for x
    x = 7,686,427,238,715.15/4,540,412.72
  6. Step 6: Final answer
    x = 1,692,891.75

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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.