Home / 5,191,104.36-7,163,016.26-2,898,972.84

Finding the Fourth Proportional to 5,191,104.36, 7,163,016.26 and 2,898,972.84

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Solution

The fourth proportional to 5,191,104.36, 7,163,016.26 and 2,898,972.84 is: 4,000,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,104.36 : 7,163,016.26 = 2,898,972.84 : x
  2. Step 2: Convert to fraction form
    5,191,104.36/7,163,016.26 = 2,898,972.84/x
  3. Step 3: Cross multiply
    5,191,104.36x = 7,163,016.26 × 2,898,972.84
  4. Step 4: Simplify right side
    5,191,104.36x = 20,765,389,590,218.38
  5. Step 5: Solve for x
    x = 20,765,389,590,218.38/5,191,104.36
  6. Step 6: Final answer
    x = 4,000,187.27

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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.