Home / 5,291,755.09-7,927,002.91-4,478,650.36

Finding the Fourth Proportional to 5,291,755.09, 7,927,002.91 and 4,478,650.36

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Solution

The fourth proportional to 5,291,755.09, 7,927,002.91 and 4,478,650.36 is: 6,708,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291,755.09 : 7,927,002.91 = 4,478,650.36 : x
  2. Step 2: Convert to fraction form
    5,291,755.09/7,927,002.91 = 4,478,650.36/x
  3. Step 3: Cross multiply
    5,291,755.09x = 7,927,002.91 × 4,478,650.36
  4. Step 4: Simplify right side
    5,291,755.09x = 35,502,274,436,592.55
  5. Step 5: Solve for x
    x = 35,502,274,436,592.55/5,291,755.09
  6. Step 6: Final answer
    x = 6,708,979.13

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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.