Home / 5,455,380.71-8,182,774.44-1,668,863.59

Finding the Fourth Proportional to 5,455,380.71, 8,182,774.44 and 1,668,863.59

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Solution

The fourth proportional to 5,455,380.71, 8,182,774.44 and 1,668,863.59 is: 2,503,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,380.71 : 8,182,774.44 = 1,668,863.59 : x
  2. Step 2: Convert to fraction form
    5,455,380.71/8,182,774.44 = 1,668,863.59/x
  3. Step 3: Cross multiply
    5,455,380.71x = 8,182,774.44 × 1,668,863.59
  4. Step 4: Simplify right side
    5,455,380.71x = 13,655,934,307,641.70
  5. Step 5: Solve for x
    x = 13,655,934,307,641.70/5,455,380.71
  6. Step 6: Final answer
    x = 2,503,204.64

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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.