Home / 2,059,778.20-3,085,001.70-1,219,970.20

Finding the Fourth Proportional to 2,059,778.20, 3,085,001.70 and 1,219,970.20

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Solution

The fourth proportional to 2,059,778.20, 3,085,001.70 and 1,219,970.20 is: 1,827,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,778.20 : 3,085,001.70 = 1,219,970.20 : x
  2. Step 2: Convert to fraction form
    2,059,778.20/3,085,001.70 = 1,219,970.20/x
  3. Step 3: Cross multiply
    2,059,778.20x = 3,085,001.70 × 1,219,970.20
  4. Step 4: Simplify right side
    2,059,778.20x = 3,763,610,140,949.34
  5. Step 5: Solve for x
    x = 3,763,610,140,949.34/2,059,778.20
  6. Step 6: Final answer
    x = 1,827,191.95

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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.