Home / 5,413,863.40-8,120,801.16-1,627,346.20

Finding the Fourth Proportional to 5,413,863.40, 8,120,801.16 and 1,627,346.20

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Solution

The fourth proportional to 5,413,863.40, 8,120,801.16 and 1,627,346.20 is: 2,441,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413,863.40 : 8,120,801.16 = 1,627,346.20 : x
  2. Step 2: Convert to fraction form
    5,413,863.40/8,120,801.16 = 1,627,346.20/x
  3. Step 3: Cross multiply
    5,413,863.40x = 8,120,801.16 × 1,627,346.20
  4. Step 4: Simplify right side
    5,413,863.40x = 13,215,354,908,681.59
  5. Step 5: Solve for x
    x = 13,215,354,908,681.59/5,413,863.40
  6. Step 6: Final answer
    x = 2,441,021.12

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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.