Home / 4,251,769.02-6,374,285.55-2,120,756.22

Finding the Fourth Proportional to 4,251,769.02, 6,374,285.55 and 2,120,756.22

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Solution

The fourth proportional to 4,251,769.02, 6,374,285.55 and 2,120,756.22 is: 3,179,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251,769.02 : 6,374,285.55 = 2,120,756.22 : x
  2. Step 2: Convert to fraction form
    4,251,769.02/6,374,285.55 = 2,120,756.22/x
  3. Step 3: Cross multiply
    4,251,769.02x = 6,374,285.55 × 2,120,756.22
  4. Step 4: Simplify right side
    4,251,769.02x = 13,518,305,728,218.62
  5. Step 5: Solve for x
    x = 13,518,305,728,218.62/4,251,769.02
  6. Step 6: Final answer
    x = 3,179,454.40

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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.