Home / 5,321,973.80-7,982,960.70-1,955,743.40

Finding the Fourth Proportional to 5,321,973.80, 7,982,960.70 and 1,955,743.40

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Solution

The fourth proportional to 5,321,973.80, 7,982,960.70 and 1,955,743.40 is: 2,933,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,973.80 : 7,982,960.70 = 1,955,743.40 : x
  2. Step 2: Convert to fraction form
    5,321,973.80/7,982,960.70 = 1,955,743.40/x
  3. Step 3: Cross multiply
    5,321,973.80x = 7,982,960.70 × 1,955,743.40
  4. Step 4: Simplify right side
    5,321,973.80x = 15,612,622,701,484.38
  5. Step 5: Solve for x
    x = 15,612,622,701,484.38/5,321,973.80
  6. Step 6: Final answer
    x = 2,933,615.10

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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.