Home / 5,378,773.33-7,422,490.67-2,931,331.70

Finding the Fourth Proportional to 5,378,773.33, 7,422,490.67 and 2,931,331.70

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Solution

The fourth proportional to 5,378,773.33, 7,422,490.67 and 2,931,331.70 is: 4,045,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,773.33 : 7,422,490.67 = 2,931,331.70 : x
  2. Step 2: Convert to fraction form
    5,378,773.33/7,422,490.67 = 2,931,331.70/x
  3. Step 3: Cross multiply
    5,378,773.33x = 7,422,490.67 × 2,931,331.70
  4. Step 4: Simplify right side
    5,378,773.33x = 21,757,782,173,654.63
  5. Step 5: Solve for x
    x = 21,757,782,173,654.63/5,378,773.33
  6. Step 6: Final answer
    x = 4,045,119.74

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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.