Home / 3,906,522.84-5,390,850.40-2,187,555.42

Finding the Fourth Proportional to 3,906,522.84, 5,390,850.40 and 2,187,555.42

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Solution

The fourth proportional to 3,906,522.84, 5,390,850.40 and 2,187,555.42 is: 3,018,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,522.84 : 5,390,850.40 = 2,187,555.42 : x
  2. Step 2: Convert to fraction form
    3,906,522.84/5,390,850.40 = 2,187,555.42/x
  3. Step 3: Cross multiply
    3,906,522.84x = 5,390,850.40 × 2,187,555.42
  4. Step 4: Simplify right side
    3,906,522.84x = 11,792,784,010,929.17
  5. Step 5: Solve for x
    x = 11,792,784,010,929.17/3,906,522.84
  6. Step 6: Final answer
    x = 3,018,741.86

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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.