Home / 2,678,923-3,696,915.18-1,471,776.76

Finding the Fourth Proportional to 2,678,923, 3,696,915.18 and 1,471,776.76

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Solution

The fourth proportional to 2,678,923, 3,696,915.18 and 1,471,776.76 is: 2,031,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,923 : 3,696,915.18 = 1,471,776.76 : x
  2. Step 2: Convert to fraction form
    2,678,923/3,696,915.18 = 1,471,776.76/x
  3. Step 3: Cross multiply
    2,678,923x = 3,696,915.18 × 1,471,776.76
  4. Step 4: Simplify right side
    2,678,923x = 5,441,033,845,615.22
  5. Step 5: Solve for x
    x = 5,441,033,845,615.22/2,678,923
  6. Step 6: Final answer
    x = 2,031,052.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.