Home / 5,057,065.09-6,972,786.75-4,087,196.20

Finding the Fourth Proportional to 5,057,065.09, 6,972,786.75 and 4,087,196.20

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Solution

The fourth proportional to 5,057,065.09, 6,972,786.75 and 4,087,196.20 is: 5,635,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057,065.09 : 6,972,786.75 = 4,087,196.20 : x
  2. Step 2: Convert to fraction form
    5,057,065.09/6,972,786.75 = 4,087,196.20/x
  3. Step 3: Cross multiply
    5,057,065.09x = 6,972,786.75 × 4,087,196.20
  4. Step 4: Simplify right side
    5,057,065.09x = 28,499,147,508,010.35
  5. Step 5: Solve for x
    x = 28,499,147,508,010.35/5,057,065.09
  6. Step 6: Final answer
    x = 5,635,511.31

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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.