Home / 5,378,432.56-7,422,020.54-2,930,991.06

Finding the Fourth Proportional to 5,378,432.56, 7,422,020.54 and 2,930,991.06

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Solution

The fourth proportional to 5,378,432.56, 7,422,020.54 and 2,930,991.06 is: 4,044,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,432.56 : 7,422,020.54 = 2,930,991.06 : x
  2. Step 2: Convert to fraction form
    5,378,432.56/7,422,020.54 = 2,930,991.06/x
  3. Step 3: Cross multiply
    5,378,432.56x = 7,422,020.54 × 2,930,991.06
  4. Step 4: Simplify right side
    5,378,432.56x = 21,753,875,849,876.37
  5. Step 5: Solve for x
    x = 21,753,875,849,876.37/5,378,432.56
  6. Step 6: Final answer
    x = 4,044,649.74

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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.