Home / 4,681,420.15-7,015,964.68-1,982,405.69

Finding the Fourth Proportional to 4,681,420.15, 7,015,964.68 and 1,982,405.69

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Solution

The fourth proportional to 4,681,420.15, 7,015,964.68 and 1,982,405.69 is: 2,970,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681,420.15 : 7,015,964.68 = 1,982,405.69 : x
  2. Step 2: Convert to fraction form
    4,681,420.15/7,015,964.68 = 1,982,405.69/x
  3. Step 3: Cross multiply
    4,681,420.15x = 7,015,964.68 × 1,982,405.69
  4. Step 4: Simplify right side
    4,681,420.15x = 13,908,488,335,643.88
  5. Step 5: Solve for x
    x = 13,908,488,335,643.88/4,681,420.15
  6. Step 6: Final answer
    x = 2,970,997.66

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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.