Home / 3,643,213.20-5,460,445.80-1,512,200.40

Finding the Fourth Proportional to 3,643,213.20, 5,460,445.80 and 1,512,200.40

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Solution

The fourth proportional to 3,643,213.20, 5,460,445.80 and 1,512,200.40 is: 2,266,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,213.20 : 5,460,445.80 = 1,512,200.40 : x
  2. Step 2: Convert to fraction form
    3,643,213.20/5,460,445.80 = 1,512,200.40/x
  3. Step 3: Cross multiply
    3,643,213.20x = 5,460,445.80 × 1,512,200.40
  4. Step 4: Simplify right side
    3,643,213.20x = 8,257,288,322,938.32
  5. Step 5: Solve for x
    x = 8,257,288,322,938.32/3,643,213.20
  6. Step 6: Final answer
    x = 2,266,485.07

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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.