Home / 2,761,818.06-4,142,629.13-842,651.76

Finding the Fourth Proportional to 2,761,818.06, 4,142,629.13 and 842,651.76

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Solution

The fourth proportional to 2,761,818.06, 4,142,629.13 and 842,651.76 is: 1,263,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,818.06 : 4,142,629.13 = 842,651.76 : x
  2. Step 2: Convert to fraction form
    2,761,818.06/4,142,629.13 = 842,651.76/x
  3. Step 3: Cross multiply
    2,761,818.06x = 4,142,629.13 × 842,651.76
  4. Step 4: Simplify right side
    2,761,818.06x = 3,490,793,723,208.51
  5. Step 5: Solve for x
    x = 3,490,793,723,208.51/2,761,818.06
  6. Step 6: Final answer
    x = 1,263,947.75

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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.