Home / 3,120,246.30-4,680,369.45-756,342.30

Finding the Fourth Proportional to 3,120,246.30, 4,680,369.45 and 756,342.30

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Solution

The fourth proportional to 3,120,246.30, 4,680,369.45 and 756,342.30 is: 1,134,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,246.30 : 4,680,369.45 = 756,342.30 : x
  2. Step 2: Convert to fraction form
    3,120,246.30/4,680,369.45 = 756,342.30/x
  3. Step 3: Cross multiply
    3,120,246.30x = 4,680,369.45 × 756,342.30
  4. Step 4: Simplify right side
    3,120,246.30x = 3,539,961,394,662.74
  5. Step 5: Solve for x
    x = 3,539,961,394,662.74/3,120,246.30
  6. Step 6: Final answer
    x = 1,134,513.45

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Double scale
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Similar ratio
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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.