Home / 5,378,376.29-7,422,160.83-2,930,988.02

Finding the Fourth Proportional to 5,378,376.29, 7,422,160.83 and 2,930,988.02

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Solution

The fourth proportional to 5,378,376.29, 7,422,160.83 and 2,930,988.02 is: 4,044,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,376.29 : 7,422,160.83 = 2,930,988.02 : x
  2. Step 2: Convert to fraction form
    5,378,376.29/7,422,160.83 = 2,930,988.02/x
  3. Step 3: Cross multiply
    5,378,376.29x = 7,422,160.83 × 2,930,988.02
  4. Step 4: Simplify right side
    5,378,376.29x = 21,754,264,475,243.26
  5. Step 5: Solve for x
    x = 21,754,264,475,243.26/5,378,376.29
  6. Step 6: Final answer
    x = 4,044,764.31

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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.