Home / 3,996,130.72-5,510,979.66-2,618,972.86

Finding the Fourth Proportional to 3,996,130.72, 5,510,979.66 and 2,618,972.86

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Solution

The fourth proportional to 3,996,130.72, 5,510,979.66 and 2,618,972.86 is: 3,611,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,130.72 : 5,510,979.66 = 2,618,972.86 : x
  2. Step 2: Convert to fraction form
    3,996,130.72/5,510,979.66 = 2,618,972.86/x
  3. Step 3: Cross multiply
    3,996,130.72x = 5,510,979.66 × 2,618,972.86
  4. Step 4: Simplify right side
    3,996,130.72x = 14,433,106,161,552.03
  5. Step 5: Solve for x
    x = 14,433,106,161,552.03/3,996,130.72
  6. Step 6: Final answer
    x = 3,611,770.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.