Home / 3,121,203.80-4,681,805.70-2,664,558.20

Finding the Fourth Proportional to 3,121,203.80, 4,681,805.70 and 2,664,558.20

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Solution

The fourth proportional to 3,121,203.80, 4,681,805.70 and 2,664,558.20 is: 3,996,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,203.80 : 4,681,805.70 = 2,664,558.20 : x
  2. Step 2: Convert to fraction form
    3,121,203.80/4,681,805.70 = 2,664,558.20/x
  3. Step 3: Cross multiply
    3,121,203.80x = 4,681,805.70 × 2,664,558.20
  4. Step 4: Simplify right side
    3,121,203.80x = 12,474,943,768,741.74
  5. Step 5: Solve for x
    x = 12,474,943,768,741.74/3,121,203.80
  6. Step 6: Final answer
    x = 3,996,837.30

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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.