Home / 3,876,095.70-5,348,958.72-2,157,215.94

Finding the Fourth Proportional to 3,876,095.70, 5,348,958.72 and 2,157,215.94

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Solution

The fourth proportional to 3,876,095.70, 5,348,958.72 and 2,157,215.94 is: 2,976,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,095.70 : 5,348,958.72 = 2,157,215.94 : x
  2. Step 2: Convert to fraction form
    3,876,095.70/5,348,958.72 = 2,157,215.94/x
  3. Step 3: Cross multiply
    3,876,095.70x = 5,348,958.72 × 2,157,215.94
  4. Step 4: Simplify right side
    3,876,095.70x = 11,538,859,013,186.00
  5. Step 5: Solve for x
    x = 11,538,859,013,186.00/3,876,095.70
  6. Step 6: Final answer
    x = 2,976,928.31

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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.