Home / 1,977,222.74-2,961,044.68-1,368,304.78

Finding the Fourth Proportional to 1,977,222.74, 2,961,044.68 and 1,368,304.78

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Solution

The fourth proportional to 1,977,222.74, 2,961,044.68 and 1,368,304.78 is: 2,049,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,222.74 : 2,961,044.68 = 1,368,304.78 : x
  2. Step 2: Convert to fraction form
    1,977,222.74/2,961,044.68 = 1,368,304.78/x
  3. Step 3: Cross multiply
    1,977,222.74x = 2,961,044.68 × 1,368,304.78
  4. Step 4: Simplify right side
    1,977,222.74x = 4,051,611,589,302.41
  5. Step 5: Solve for x
    x = 4,051,611,589,302.41/1,977,222.74
  6. Step 6: Final answer
    x = 2,049,142.72

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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.