Home / 2,252,959.38-3,109,090.86-1,220,477.76

Finding the Fourth Proportional to 2,252,959.38, 3,109,090.86 and 1,220,477.76

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Solution

The fourth proportional to 2,252,959.38, 3,109,090.86 and 1,220,477.76 is: 1,684,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252,959.38 : 3,109,090.86 = 1,220,477.76 : x
  2. Step 2: Convert to fraction form
    2,252,959.38/3,109,090.86 = 1,220,477.76/x
  3. Step 3: Cross multiply
    2,252,959.38x = 3,109,090.86 × 1,220,477.76
  4. Step 4: Simplify right side
    2,252,959.38x = 3,794,576,248,449.27
  5. Step 5: Solve for x
    x = 3,794,576,248,449.27/2,252,959.38
  6. Step 6: Final answer
    x = 1,684,263.06

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1.5x scale

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.