Home / 2,148,015.11-2,964,159.38-1,181,186.15

Finding the Fourth Proportional to 2,148,015.11, 2,964,159.38 and 1,181,186.15

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Solution

The fourth proportional to 2,148,015.11, 2,964,159.38 and 1,181,186.15 is: 1,629,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,015.11 : 2,964,159.38 = 1,181,186.15 : x
  2. Step 2: Convert to fraction form
    2,148,015.11/2,964,159.38 = 1,181,186.15/x
  3. Step 3: Cross multiply
    2,148,015.11x = 2,964,159.38 × 1,181,186.15
  4. Step 4: Simplify right side
    2,148,015.11x = 3,501,224,000,142.66
  5. Step 5: Solve for x
    x = 3,501,224,000,142.66/2,148,015.11
  6. Step 6: Final answer
    x = 1,629,981.09

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1.5x scale

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.