Home / 1,808,221.60-2,711,346.90-545,885.20

Finding the Fourth Proportional to 1,808,221.60, 2,711,346.90 and 545,885.20

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Solution

The fourth proportional to 1,808,221.60, 2,711,346.90 and 545,885.20 is: 818,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,221.60 : 2,711,346.90 = 545,885.20 : x
  2. Step 2: Convert to fraction form
    1,808,221.60/2,711,346.90 = 545,885.20/x
  3. Step 3: Cross multiply
    1,808,221.60x = 2,711,346.90 × 545,885.20
  4. Step 4: Simplify right side
    1,808,221.60x = 1,480,084,144,775.88
  5. Step 5: Solve for x
    x = 1,480,084,144,775.88/1,808,221.60
  6. Step 6: Final answer
    x = 818,530.29

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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.