Home / 3,906,521.84-5,390,849.02-2,187,554.42

Finding the Fourth Proportional to 3,906,521.84, 5,390,849.02 and 2,187,554.42

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Solution

The fourth proportional to 3,906,521.84, 5,390,849.02 and 2,187,554.42 is: 3,018,740.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,521.84 : 5,390,849.02 = 2,187,554.42 : x
  2. Step 2: Convert to fraction form
    3,906,521.84/5,390,849.02 = 2,187,554.42/x
  3. Step 3: Cross multiply
    3,906,521.84x = 5,390,849.02 × 2,187,554.42
  4. Step 4: Simplify right side
    3,906,521.84x = 11,792,775,601,253.67
  5. Step 5: Solve for x
    x = 11,792,775,601,253.67/3,906,521.84
  6. Step 6: Final answer
    x = 3,018,740.48

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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.