Home / 2,079,899.76-2,870,280.66-1,220,474.34

Finding the Fourth Proportional to 2,079,899.76, 2,870,280.66 and 1,220,474.34

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Solution

The fourth proportional to 2,079,899.76, 2,870,280.66 and 1,220,474.34 is: 1,684,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,899.76 : 2,870,280.66 = 1,220,474.34 : x
  2. Step 2: Convert to fraction form
    2,079,899.76/2,870,280.66 = 1,220,474.34/x
  3. Step 3: Cross multiply
    2,079,899.76x = 2,870,280.66 × 1,220,474.34
  4. Step 4: Simplify right side
    2,079,899.76x = 3,503,103,894,128.26
  5. Step 5: Solve for x
    x = 3,503,103,894,128.26/2,079,899.76
  6. Step 6: Final answer
    x = 1,684,265.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.