Home / 1,630,596.96-2,250,431.44-986,021.78

Finding the Fourth Proportional to 1,630,596.96, 2,250,431.44 and 986,021.78

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Solution

The fourth proportional to 1,630,596.96, 2,250,431.44 and 986,021.78 is: 1,360,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,596.96 : 2,250,431.44 = 986,021.78 : x
  2. Step 2: Convert to fraction form
    1,630,596.96/2,250,431.44 = 986,021.78/x
  3. Step 3: Cross multiply
    1,630,596.96x = 2,250,431.44 × 986,021.78
  4. Step 4: Simplify right side
    1,630,596.96x = 2,218,974,400,519.55
  5. Step 5: Solve for x
    x = 2,218,974,400,519.55/1,630,596.96
  6. Step 6: Final answer
    x = 1,360,835.60

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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.