Home / 2,180,179.72-3,270,793.02-684,271.72

Finding the Fourth Proportional to 2,180,179.72, 3,270,793.02 and 684,271.72

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Solution

The fourth proportional to 2,180,179.72, 3,270,793.02 and 684,271.72 is: 1,026,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,179.72 : 3,270,793.02 = 684,271.72 : x
  2. Step 2: Convert to fraction form
    2,180,179.72/3,270,793.02 = 684,271.72/x
  3. Step 3: Cross multiply
    2,180,179.72x = 3,270,793.02 × 684,271.72
  4. Step 4: Simplify right side
    2,180,179.72x = 2,238,111,165,559.39
  5. Step 5: Solve for x
    x = 2,238,111,165,559.39/2,180,179.72
  6. Step 6: Final answer
    x = 1,026,571.87

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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.