Home / 2,801,085.60-4,201,628.40-806,743.20

Finding the Fourth Proportional to 2,801,085.60, 4,201,628.40 and 806,743.20

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Solution

The fourth proportional to 2,801,085.60, 4,201,628.40 and 806,743.20 is: 1,210,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,085.60 : 4,201,628.40 = 806,743.20 : x
  2. Step 2: Convert to fraction form
    2,801,085.60/4,201,628.40 = 806,743.20/x
  3. Step 3: Cross multiply
    2,801,085.60x = 4,201,628.40 × 806,743.20
  4. Step 4: Simplify right side
    2,801,085.60x = 3,389,635,140,626.88
  5. Step 5: Solve for x
    x = 3,389,635,140,626.88/2,801,085.60
  6. Step 6: Final answer
    x = 1,210,114.80

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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.