Home / 2,995,621.20-4,493,431.80-865,774.80

Finding the Fourth Proportional to 2,995,621.20, 4,493,431.80 and 865,774.80

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Solution

The fourth proportional to 2,995,621.20, 4,493,431.80 and 865,774.80 is: 1,298,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995,621.20 : 4,493,431.80 = 865,774.80 : x
  2. Step 2: Convert to fraction form
    2,995,621.20/4,493,431.80 = 865,774.80/x
  3. Step 3: Cross multiply
    2,995,621.20x = 4,493,431.80 × 865,774.80
  4. Step 4: Simplify right side
    2,995,621.20x = 3,890,300,017,958.64
  5. Step 5: Solve for x
    x = 3,890,300,017,958.64/2,995,621.20
  6. Step 6: Final answer
    x = 1,298,662.20

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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.