Home / 2,860,015.20-4,290,598.80-838,255.20

Finding the Fourth Proportional to 2,860,015.20, 4,290,598.80 and 838,255.20

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Solution

The fourth proportional to 2,860,015.20, 4,290,598.80 and 838,255.20 is: 1,257,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,015.20 : 4,290,598.80 = 838,255.20 : x
  2. Step 2: Convert to fraction form
    2,860,015.20/4,290,598.80 = 838,255.20/x
  3. Step 3: Cross multiply
    2,860,015.20x = 4,290,598.80 × 838,255.20
  4. Step 4: Simplify right side
    2,860,015.20x = 3,596,616,755,213.76
  5. Step 5: Solve for x
    x = 3,596,616,755,213.76/2,860,015.20
  6. Step 6: Final answer
    x = 1,257,551.62

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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.