Home / 3,379,948.60-5,069,922.90-3,155,999.80

Finding the Fourth Proportional to 3,379,948.60, 5,069,922.90 and 3,155,999.80

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Solution

The fourth proportional to 3,379,948.60, 5,069,922.90 and 3,155,999.80 is: 4,733,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,948.60 : 5,069,922.90 = 3,155,999.80 : x
  2. Step 2: Convert to fraction form
    3,379,948.60/5,069,922.90 = 3,155,999.80/x
  3. Step 3: Cross multiply
    3,379,948.60x = 5,069,922.90 × 3,155,999.80
  4. Step 4: Simplify right side
    3,379,948.60x = 16,000,675,658,415.42
  5. Step 5: Solve for x
    x = 16,000,675,658,415.42/3,379,948.60
  6. Step 6: Final answer
    x = 4,733,999.70

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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.