Home / 2,020,847.70-2,789,076.33-1,257,147.30

Finding the Fourth Proportional to 2,020,847.70, 2,789,076.33 and 1,257,147.30

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Solution

The fourth proportional to 2,020,847.70, 2,789,076.33 and 1,257,147.30 is: 1,735,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,847.70 : 2,789,076.33 = 1,257,147.30 : x
  2. Step 2: Convert to fraction form
    2,020,847.70/2,789,076.33 = 1,257,147.30/x
  3. Step 3: Cross multiply
    2,020,847.70x = 2,789,076.33 × 1,257,147.30
  4. Step 4: Simplify right side
    2,020,847.70x = 3,506,279,777,753.41
  5. Step 5: Solve for x
    x = 3,506,279,777,753.41/2,020,847.70
  6. Step 6: Final answer
    x = 1,735,053.95

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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.