Home / 4,478,889.20-6,718,333.80-3,219,177.20

Finding the Fourth Proportional to 4,478,889.20, 6,718,333.80 and 3,219,177.20

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Solution

The fourth proportional to 4,478,889.20, 6,718,333.80 and 3,219,177.20 is: 4,828,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478,889.20 : 6,718,333.80 = 3,219,177.20 : x
  2. Step 2: Convert to fraction form
    4,478,889.20/6,718,333.80 = 3,219,177.20/x
  3. Step 3: Cross multiply
    4,478,889.20x = 6,718,333.80 × 3,219,177.20
  4. Step 4: Simplify right side
    4,478,889.20x = 21,627,506,990,949.36
  5. Step 5: Solve for x
    x = 21,627,506,990,949.36/4,478,889.20
  6. Step 6: Final answer
    x = 4,828,765.80

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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.