Home / 5,626,321.60-8,430,255.88-2,385,269.55

Finding the Fourth Proportional to 5,626,321.60, 8,430,255.88 and 2,385,269.55

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Solution

The fourth proportional to 5,626,321.60, 8,430,255.88 and 2,385,269.55 is: 3,573,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626,321.60 : 8,430,255.88 = 2,385,269.55 : x
  2. Step 2: Convert to fraction form
    5,626,321.60/8,430,255.88 = 2,385,269.55/x
  3. Step 3: Cross multiply
    5,626,321.60x = 8,430,255.88 × 2,385,269.55
  4. Step 4: Simplify right side
    5,626,321.60x = 20,108,432,649,272.45
  5. Step 5: Solve for x
    x = 20,108,432,649,272.45/5,626,321.60
  6. Step 6: Final answer
    x = 3,573,992.76

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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.