Home / 1,808,221.10-2,711,346.15-545,884.70

Finding the Fourth Proportional to 1,808,221.10, 2,711,346.15 and 545,884.70

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Solution

The fourth proportional to 1,808,221.10, 2,711,346.15 and 545,884.70 is: 818,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,221.10 : 2,711,346.15 = 545,884.70 : x
  2. Step 2: Convert to fraction form
    1,808,221.10/2,711,346.15 = 545,884.70/x
  3. Step 3: Cross multiply
    1,808,221.10x = 2,711,346.15 × 545,884.70
  4. Step 4: Simplify right side
    1,808,221.10x = 1,480,082,379,688.90
  5. Step 5: Solve for x
    x = 1,480,082,379,688.90/1,808,221.10
  6. Step 6: Final answer
    x = 818,529.54

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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.