Home / 3,120,040-4,680,060-756,136

Finding the Fourth Proportional to 3,120,040, 4,680,060 and 756,136

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Solution

The fourth proportional to 3,120,040, 4,680,060 and 756,136 is: 1,134,204

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,040 : 4,680,060 = 756,136 : x
  2. Step 2: Convert to fraction form
    3,120,040/4,680,060 = 756,136/x
  3. Step 3: Cross multiply
    3,120,040x = 4,680,060 × 756,136
  4. Step 4: Simplify right side
    3,120,040x = 3,538,761,848,160
  5. Step 5: Solve for x
    x = 3,538,761,848,160/3,120,040
  6. Step 6: Final answer
    x = 1,134,204

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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.