Home / 1,405,596.72-2,106,187.41-1,086,530.43

Finding the Fourth Proportional to 1,405,596.72, 2,106,187.41 and 1,086,530.43

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Solution

The fourth proportional to 1,405,596.72, 2,106,187.41 and 1,086,530.43 is: 1,628,089.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,596.72 : 2,106,187.41 = 1,086,530.43 : x
  2. Step 2: Convert to fraction form
    1,405,596.72/2,106,187.41 = 1,086,530.43/x
  3. Step 3: Cross multiply
    1,405,596.72x = 2,106,187.41 × 1,086,530.43
  4. Step 4: Simplify right side
    1,405,596.72x = 2,288,436,712,247.89
  5. Step 5: Solve for x
    x = 2,288,436,712,247.89/1,405,596.72
  6. Step 6: Final answer
    x = 1,628,089.11

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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.