Home / 1,982,491.17-2,973,739.05-543,186.83

Finding the Fourth Proportional to 1,982,491.17, 2,973,739.05 and 543,186.83

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Solution

The fourth proportional to 1,982,491.17, 2,973,739.05 and 543,186.83 is: 814,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,491.17 : 2,973,739.05 = 543,186.83 : x
  2. Step 2: Convert to fraction form
    1,982,491.17/2,973,739.05 = 543,186.83/x
  3. Step 3: Cross multiply
    1,982,491.17x = 2,973,739.05 × 543,186.83
  4. Step 4: Simplify right side
    1,982,491.17x = 1,615,295,872,948.02
  5. Step 5: Solve for x
    x = 1,615,295,872,948.02/1,982,491.17
  6. Step 6: Final answer
    x = 814,780.87

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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.