Home / 1,855,354.60-2,776,811.10-1,631,405.80

Finding the Fourth Proportional to 1,855,354.60, 2,776,811.10 and 1,631,405.80

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Solution

The fourth proportional to 1,855,354.60, 2,776,811.10 and 1,631,405.80 is: 2,441,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,354.60 : 2,776,811.10 = 1,631,405.80 : x
  2. Step 2: Convert to fraction form
    1,855,354.60/2,776,811.10 = 1,631,405.80/x
  3. Step 3: Cross multiply
    1,855,354.60x = 2,776,811.10 × 1,631,405.80
  4. Step 4: Simplify right side
    1,855,354.60x = 4,530,105,734,044.38
  5. Step 5: Solve for x
    x = 4,530,105,734,044.38/1,855,354.60
  6. Step 6: Final answer
    x = 2,441,638.78

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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.