Home / 5,478,339.12-8,213,054.76-2,285,843.28

Finding the Fourth Proportional to 5,478,339.12, 8,213,054.76 and 2,285,843.28

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Solution

The fourth proportional to 5,478,339.12, 8,213,054.76 and 2,285,843.28 is: 3,426,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,339.12 : 8,213,054.76 = 2,285,843.28 : x
  2. Step 2: Convert to fraction form
    5,478,339.12/8,213,054.76 = 2,285,843.28/x
  3. Step 3: Cross multiply
    5,478,339.12x = 8,213,054.76 × 2,285,843.28
  4. Step 4: Simplify right side
    5,478,339.12x = 18,773,756,031,418.01
  5. Step 5: Solve for x
    x = 18,773,756,031,418.01/5,478,339.12
  6. Step 6: Final answer
    x = 3,426,906.52

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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.