Home / 3,100,234-4,278,723.84-1,742,107.12

Finding the Fourth Proportional to 3,100,234, 4,278,723.84 and 1,742,107.12

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Solution

The fourth proportional to 3,100,234, 4,278,723.84 and 1,742,107.12 is: 2,404,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,234 : 4,278,723.84 = 1,742,107.12 : x
  2. Step 2: Convert to fraction form
    3,100,234/4,278,723.84 = 1,742,107.12/x
  3. Step 3: Cross multiply
    3,100,234x = 4,278,723.84 × 1,742,107.12
  4. Step 4: Simplify right side
    3,100,234x = 7,453,995,266,177.74
  5. Step 5: Solve for x
    x = 7,453,995,266,177.74/3,100,234
  6. Step 6: Final answer
    x = 2,404,333.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.