Home / 5,430,480.60-8,145,720.90-1,644,151.80

Finding the Fourth Proportional to 5,430,480.60, 8,145,720.90 and 1,644,151.80

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Solution

The fourth proportional to 5,430,480.60, 8,145,720.90 and 1,644,151.80 is: 2,466,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,480.60 : 8,145,720.90 = 1,644,151.80 : x
  2. Step 2: Convert to fraction form
    5,430,480.60/8,145,720.90 = 1,644,151.80/x
  3. Step 3: Cross multiply
    5,430,480.60x = 8,145,720.90 × 1,644,151.80
  4. Step 4: Simplify right side
    5,430,480.60x = 13,392,801,680,032.62
  5. Step 5: Solve for x
    x = 13,392,801,680,032.62/5,430,480.60
  6. Step 6: Final answer
    x = 2,466,227.70

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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.