Home / 2,885,450.90-3,981,206.85-1,865,628.50

Finding the Fourth Proportional to 2,885,450.90, 3,981,206.85 and 1,865,628.50

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Solution

The fourth proportional to 2,885,450.90, 3,981,206.85 and 1,865,628.50 is: 2,574,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,450.90 : 3,981,206.85 = 1,865,628.50 : x
  2. Step 2: Convert to fraction form
    2,885,450.90/3,981,206.85 = 1,865,628.50/x
  3. Step 3: Cross multiply
    2,885,450.90x = 3,981,206.85 × 1,865,628.50
  4. Step 4: Simplify right side
    2,885,450.90x = 7,427,452,963,755.23
  5. Step 5: Solve for x
    x = 7,427,452,963,755.23/2,885,450.90
  6. Step 6: Final answer
    x = 2,574,104.78

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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.