Home / 2,487,212.80-3,730,819.20-804,486.40

Finding the Fourth Proportional to 2,487,212.80, 3,730,819.20 and 804,486.40

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Solution

The fourth proportional to 2,487,212.80, 3,730,819.20 and 804,486.40 is: 1,206,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,212.80 : 3,730,819.20 = 804,486.40 : x
  2. Step 2: Convert to fraction form
    2,487,212.80/3,730,819.20 = 804,486.40/x
  3. Step 3: Cross multiply
    2,487,212.80x = 3,730,819.20 × 804,486.40
  4. Step 4: Simplify right side
    2,487,212.80x = 3,001,393,307,258.88
  5. Step 5: Solve for x
    x = 3,001,393,307,258.88/2,487,212.80
  6. Step 6: Final answer
    x = 1,206,729.60

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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.