Home / 1,630,950.09-2,250,638.27-977,936.55

Finding the Fourth Proportional to 1,630,950.09, 2,250,638.27 and 977,936.55

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Solution

The fourth proportional to 1,630,950.09, 2,250,638.27 and 977,936.55 is: 1,349,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,950.09 : 2,250,638.27 = 977,936.55 : x
  2. Step 2: Convert to fraction form
    1,630,950.09/2,250,638.27 = 977,936.55/x
  3. Step 3: Cross multiply
    1,630,950.09x = 2,250,638.27 × 977,936.55
  4. Step 4: Simplify right side
    1,630,950.09x = 2,200,981,416,990.33
  5. Step 5: Solve for x
    x = 2,200,981,416,990.33/1,630,950.09
  6. Step 6: Final answer
    x = 1,349,508.75

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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.