Home / 2,767,070.49-4,151,866.82-1,420,178.91

Finding the Fourth Proportional to 2,767,070.49, 4,151,866.82 and 1,420,178.91

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Solution

The fourth proportional to 2,767,070.49, 4,151,866.82 and 1,420,178.91 is: 2,130,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,070.49 : 4,151,866.82 = 1,420,178.91 : x
  2. Step 2: Convert to fraction form
    2,767,070.49/4,151,866.82 = 1,420,178.91/x
  3. Step 3: Cross multiply
    2,767,070.49x = 4,151,866.82 × 1,420,178.91
  4. Step 4: Simplify right side
    2,767,070.49x = 5,896,393,687,791.87
  5. Step 5: Solve for x
    x = 5,896,393,687,791.87/2,767,070.49
  6. Step 6: Final answer
    x = 2,130,915.61

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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.