Home / 1,885,616.80-2,825,314.80-1,605,680.80

Finding the Fourth Proportional to 1,885,616.80, 2,825,314.80 and 1,605,680.80

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Solution

The fourth proportional to 1,885,616.80, 2,825,314.80 and 1,605,680.80 is: 2,405,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,616.80 : 2,825,314.80 = 1,605,680.80 : x
  2. Step 2: Convert to fraction form
    1,885,616.80/2,825,314.80 = 1,605,680.80/x
  3. Step 3: Cross multiply
    1,885,616.80x = 2,825,314.80 × 1,605,680.80
  4. Step 4: Simplify right side
    1,885,616.80x = 4,536,553,728,315.84
  5. Step 5: Solve for x
    x = 4,536,553,728,315.84/1,885,616.80
  6. Step 6: Final answer
    x = 2,405,872.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.