Home / 3,120,031-4,680,046.50-756,127

Finding the Fourth Proportional to 3,120,031, 4,680,046.50 and 756,127

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Solution

The fourth proportional to 3,120,031, 4,680,046.50 and 756,127 is: 1,134,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,031 : 4,680,046.50 = 756,127 : x
  2. Step 2: Convert to fraction form
    3,120,031/4,680,046.50 = 756,127/x
  3. Step 3: Cross multiply
    3,120,031x = 4,680,046.50 × 756,127
  4. Step 4: Simplify right side
    3,120,031x = 3,538,709,519,905.50
  5. Step 5: Solve for x
    x = 3,538,709,519,905.50/3,120,031
  6. Step 6: Final answer
    x = 1,134,190.50

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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.