Home / 3,120,060-4,680,090-756,156

Finding the Fourth Proportional to 3,120,060, 4,680,090 and 756,156

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Solution

The fourth proportional to 3,120,060, 4,680,090 and 756,156 is: 1,134,234

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,060 : 4,680,090 = 756,156 : x
  2. Step 2: Convert to fraction form
    3,120,060/4,680,090 = 756,156/x
  3. Step 3: Cross multiply
    3,120,060x = 4,680,090 × 756,156
  4. Step 4: Simplify right side
    3,120,060x = 3,538,878,134,040
  5. Step 5: Solve for x
    x = 3,538,878,134,040/3,120,060
  6. Step 6: Final answer
    x = 1,134,234

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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.