Home / 6,128,010.70-9,192,016.05-1,640,286.70

Finding the Fourth Proportional to 6,128,010.70, 9,192,016.05 and 1,640,286.70

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Solution

The fourth proportional to 6,128,010.70, 9,192,016.05 and 1,640,286.70 is: 2,460,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,010.70 : 9,192,016.05 = 1,640,286.70 : x
  2. Step 2: Convert to fraction form
    6,128,010.70/9,192,016.05 = 1,640,286.70/x
  3. Step 3: Cross multiply
    6,128,010.70x = 9,192,016.05 × 1,640,286.70
  4. Step 4: Simplify right side
    6,128,010.70x = 15,077,541,673,001.54
  5. Step 5: Solve for x
    x = 15,077,541,673,001.54/6,128,010.70
  6. Step 6: Final answer
    x = 2,460,430.05

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Similar ratio
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1.5x scale

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.