Home / 5,780,458.08-7,967,735.10-3,919,270.86

Finding the Fourth Proportional to 5,780,458.08, 7,967,735.10 and 3,919,270.86

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Solution

The fourth proportional to 5,780,458.08, 7,967,735.10 and 3,919,270.86 is: 5,402,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780,458.08 : 7,967,735.10 = 3,919,270.86 : x
  2. Step 2: Convert to fraction form
    5,780,458.08/7,967,735.10 = 3,919,270.86/x
  3. Step 3: Cross multiply
    5,780,458.08x = 7,967,735.10 × 3,919,270.86
  4. Step 4: Simplify right side
    5,780,458.08x = 31,227,711,997,629.18
  5. Step 5: Solve for x
    x = 31,227,711,997,629.18/5,780,458.08
  6. Step 6: Final answer
    x = 5,402,290.19

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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.