Home / 2,772,274.05-4,154,124.78-2,163,619.19

Finding the Fourth Proportional to 2,772,274.05, 4,154,124.78 and 2,163,619.19

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Solution

The fourth proportional to 2,772,274.05, 4,154,124.78 and 2,163,619.19 is: 3,242,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,274.05 : 4,154,124.78 = 2,163,619.19 : x
  2. Step 2: Convert to fraction form
    2,772,274.05/4,154,124.78 = 2,163,619.19/x
  3. Step 3: Cross multiply
    2,772,274.05x = 4,154,124.78 × 2,163,619.19
  4. Step 4: Simplify right side
    2,772,274.05x = 8,987,944,091,662.53
  5. Step 5: Solve for x
    x = 8,987,944,091,662.53/2,772,274.05
  6. Step 6: Final answer
    x = 3,242,083.55

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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.