Home / 5,375,123.20-8,065,795.20-2,009,670.40

Finding the Fourth Proportional to 5,375,123.20, 8,065,795.20 and 2,009,670.40

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Solution

The fourth proportional to 5,375,123.20, 8,065,795.20 and 2,009,670.40 is: 3,015,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375,123.20 : 8,065,795.20 = 2,009,670.40 : x
  2. Step 2: Convert to fraction form
    5,375,123.20/8,065,795.20 = 2,009,670.40/x
  3. Step 3: Cross multiply
    5,375,123.20x = 8,065,795.20 × 2,009,670.40
  4. Step 4: Simplify right side
    5,375,123.20x = 16,209,589,865,902.08
  5. Step 5: Solve for x
    x = 16,209,589,865,902.08/5,375,123.20
  6. Step 6: Final answer
    x = 3,015,668.53

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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.