Home / 3,867,021.79-5,336,526.56-2,124,727.74

Finding the Fourth Proportional to 3,867,021.79, 5,336,526.56 and 2,124,727.74

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Solution

The fourth proportional to 3,867,021.79, 5,336,526.56 and 2,124,727.74 is: 2,932,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,021.79 : 5,336,526.56 = 2,124,727.74 : x
  2. Step 2: Convert to fraction form
    3,867,021.79/5,336,526.56 = 2,124,727.74/x
  3. Step 3: Cross multiply
    3,867,021.79x = 5,336,526.56 × 2,124,727.74
  4. Step 4: Simplify right side
    3,867,021.79x = 11,338,666,006,655.14
  5. Step 5: Solve for x
    x = 11,338,666,006,655.14/3,867,021.79
  6. Step 6: Final answer
    x = 2,932,144.33

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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.