Home / 3,120,030-4,680,045-756,126

Finding the Fourth Proportional to 3,120,030, 4,680,045 and 756,126

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Solution

The fourth proportional to 3,120,030, 4,680,045 and 756,126 is: 1,134,189

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,030 : 4,680,045 = 756,126 : x
  2. Step 2: Convert to fraction form
    3,120,030/4,680,045 = 756,126/x
  3. Step 3: Cross multiply
    3,120,030x = 4,680,045 × 756,126
  4. Step 4: Simplify right side
    3,120,030x = 3,538,703,705,670
  5. Step 5: Solve for x
    x = 3,538,703,705,670/3,120,030
  6. Step 6: Final answer
    x = 1,134,189

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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.