Home / 1,678,334.40-2,511,596.70-1,536,616.80

Finding the Fourth Proportional to 1,678,334.40, 2,511,596.70 and 1,536,616.80

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Solution

The fourth proportional to 1,678,334.40, 2,511,596.70 and 1,536,616.80 is: 2,299,518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,334.40 : 2,511,596.70 = 1,536,616.80 : x
  2. Step 2: Convert to fraction form
    1,678,334.40/2,511,596.70 = 1,536,616.80/x
  3. Step 3: Cross multiply
    1,678,334.40x = 2,511,596.70 × 1,536,616.80
  4. Step 4: Simplify right side
    1,678,334.40x = 3,859,361,684,044.56
  5. Step 5: Solve for x
    x = 3,859,361,684,044.56/1,678,334.40
  6. Step 6: Final answer
    x = 2,299,518.91

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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.