Home / 2,083,429.20-3,120,478.20-1,243,621.20

Finding the Fourth Proportional to 2,083,429.20, 3,120,478.20 and 1,243,621.20

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Solution

The fourth proportional to 2,083,429.20, 3,120,478.20 and 1,243,621.20 is: 1,862,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,429.20 : 3,120,478.20 = 1,243,621.20 : x
  2. Step 2: Convert to fraction form
    2,083,429.20/3,120,478.20 = 1,243,621.20/x
  3. Step 3: Cross multiply
    2,083,429.20x = 3,120,478.20 × 1,243,621.20
  4. Step 4: Simplify right side
    2,083,429.20x = 3,880,692,843,657.84
  5. Step 5: Solve for x
    x = 3,880,692,843,657.84/2,083,429.20
  6. Step 6: Final answer
    x = 1,862,646.85

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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.