Home / 2,718,276.80-4,077,415.20-825,015.20

Finding the Fourth Proportional to 2,718,276.80, 4,077,415.20 and 825,015.20

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Solution

The fourth proportional to 2,718,276.80, 4,077,415.20 and 825,015.20 is: 1,237,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,276.80 : 4,077,415.20 = 825,015.20 : x
  2. Step 2: Convert to fraction form
    2,718,276.80/4,077,415.20 = 825,015.20/x
  3. Step 3: Cross multiply
    2,718,276.80x = 4,077,415.20 × 825,015.20
  4. Step 4: Simplify right side
    2,718,276.80x = 3,363,929,516,711.04
  5. Step 5: Solve for x
    x = 3,363,929,516,711.04/2,718,276.80
  6. Step 6: Final answer
    x = 1,237,522.80

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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.