Home / 2,789,660.31-3,849,859.11-1,549,276.34

Finding the Fourth Proportional to 2,789,660.31, 3,849,859.11 and 1,549,276.34

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Solution

The fourth proportional to 2,789,660.31, 3,849,859.11 and 1,549,276.34 is: 2,138,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,660.31 : 3,849,859.11 = 1,549,276.34 : x
  2. Step 2: Convert to fraction form
    2,789,660.31/3,849,859.11 = 1,549,276.34/x
  3. Step 3: Cross multiply
    2,789,660.31x = 3,849,859.11 × 1,549,276.34
  4. Step 4: Simplify right side
    2,789,660.31x = 5,964,495,612,207.16
  5. Step 5: Solve for x
    x = 5,964,495,612,207.16/2,789,660.31
  6. Step 6: Final answer
    x = 2,138,072.36

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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.