Home / 2,972,172.21-4,102,853.22-2,006,610.36

Finding the Fourth Proportional to 2,972,172.21, 4,102,853.22 and 2,006,610.36

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Solution

The fourth proportional to 2,972,172.21, 4,102,853.22 and 2,006,610.36 is: 2,769,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,172.21 : 4,102,853.22 = 2,006,610.36 : x
  2. Step 2: Convert to fraction form
    2,972,172.21/4,102,853.22 = 2,006,610.36/x
  3. Step 3: Cross multiply
    2,972,172.21x = 4,102,853.22 × 2,006,610.36
  4. Step 4: Simplify right side
    2,972,172.21x = 8,232,827,776,811.36
  5. Step 5: Solve for x
    x = 8,232,827,776,811.36/2,972,172.21
  6. Step 6: Final answer
    x = 2,769,969.97

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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.