Home / 3,818,943.54-5,268,852.18-2,164,913.28

Finding the Fourth Proportional to 3,818,943.54, 5,268,852.18 and 2,164,913.28

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Solution

The fourth proportional to 3,818,943.54, 5,268,852.18 and 2,164,913.28 is: 2,986,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,943.54 : 5,268,852.18 = 2,164,913.28 : x
  2. Step 2: Convert to fraction form
    3,818,943.54/5,268,852.18 = 2,164,913.28/x
  3. Step 3: Cross multiply
    3,818,943.54x = 5,268,852.18 × 2,164,913.28
  4. Step 4: Simplify right side
    3,818,943.54x = 11,406,608,054,838.95
  5. Step 5: Solve for x
    x = 11,406,608,054,838.95/3,818,943.54
  6. Step 6: Final answer
    x = 2,986,849.09

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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.