Home / 2,079,515.30-3,119,272.95-1,271,200.10

Finding the Fourth Proportional to 2,079,515.30, 3,119,272.95 and 1,271,200.10

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Solution

The fourth proportional to 2,079,515.30, 3,119,272.95 and 1,271,200.10 is: 1,906,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,515.30 : 3,119,272.95 = 1,271,200.10 : x
  2. Step 2: Convert to fraction form
    2,079,515.30/3,119,272.95 = 1,271,200.10/x
  3. Step 3: Cross multiply
    2,079,515.30x = 3,119,272.95 × 1,271,200.10
  4. Step 4: Simplify right side
    2,079,515.30x = 3,965,220,085,967.30
  5. Step 5: Solve for x
    x = 3,965,220,085,967.30/2,079,515.30
  6. Step 6: Final answer
    x = 1,906,800.15

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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.