Home / 3,182,980.68-4,392,513.80-1,732,687.12

Finding the Fourth Proportional to 3,182,980.68, 4,392,513.80 and 1,732,687.12

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Solution

The fourth proportional to 3,182,980.68, 4,392,513.80 and 1,732,687.12 is: 2,391,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182,980.68 : 4,392,513.80 = 1,732,687.12 : x
  2. Step 2: Convert to fraction form
    3,182,980.68/4,392,513.80 = 1,732,687.12/x
  3. Step 3: Cross multiply
    3,182,980.68x = 4,392,513.80 × 1,732,687.12
  4. Step 4: Simplify right side
    3,182,980.68x = 7,610,852,085,682.26
  5. Step 5: Solve for x
    x = 7,610,852,085,682.26/3,182,980.68
  6. Step 6: Final answer
    x = 2,391,108.48

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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.