Home / 2,680,107.82-3,698,536.65-1,456,390.20

Finding the Fourth Proportional to 2,680,107.82, 3,698,536.65 and 1,456,390.20

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Solution

The fourth proportional to 2,680,107.82, 3,698,536.65 and 1,456,390.20 is: 2,009,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,107.82 : 3,698,536.65 = 1,456,390.20 : x
  2. Step 2: Convert to fraction form
    2,680,107.82/3,698,536.65 = 1,456,390.20/x
  3. Step 3: Cross multiply
    2,680,107.82x = 3,698,536.65 × 1,456,390.20
  4. Step 4: Simplify right side
    2,680,107.82x = 5,386,512,531,400.83
  5. Step 5: Solve for x
    x = 5,386,512,531,400.83/2,680,107.82
  6. Step 6: Final answer
    x = 2,009,811.88

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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.