Home / 2,375,999.20-3,563,998.80-1,478,454.40

Finding the Fourth Proportional to 2,375,999.20, 3,563,998.80 and 1,478,454.40

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Solution

The fourth proportional to 2,375,999.20, 3,563,998.80 and 1,478,454.40 is: 2,217,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375,999.20 : 3,563,998.80 = 1,478,454.40 : x
  2. Step 2: Convert to fraction form
    2,375,999.20/3,563,998.80 = 1,478,454.40/x
  3. Step 3: Cross multiply
    2,375,999.20x = 3,563,998.80 × 1,478,454.40
  4. Step 4: Simplify right side
    2,375,999.20x = 5,269,209,707,454.72
  5. Step 5: Solve for x
    x = 5,269,209,707,454.72/2,375,999.20
  6. Step 6: Final answer
    x = 2,217,681.60

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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.