Home / 1,982,574.90-2,973,864.69-543,270.42

Finding the Fourth Proportional to 1,982,574.90, 2,973,864.69 and 543,270.42

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Solution

The fourth proportional to 1,982,574.90, 2,973,864.69 and 543,270.42 is: 814,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,574.90 : 2,973,864.69 = 543,270.42 : x
  2. Step 2: Convert to fraction form
    1,982,574.90/2,973,864.69 = 543,270.42/x
  3. Step 3: Cross multiply
    1,982,574.90x = 2,973,864.69 × 543,270.42
  4. Step 4: Simplify right side
    1,982,574.90x = 1,615,612,719,159.47
  5. Step 5: Solve for x
    x = 1,615,612,719,159.47/1,982,574.90
  6. Step 6: Final answer
    x = 814,906.27

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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.