Home / 3,920,116.60-5,409,384.42-2,200,843

Finding the Fourth Proportional to 3,920,116.60, 5,409,384.42 and 2,200,843

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Solution

The fourth proportional to 3,920,116.60, 5,409,384.42 and 2,200,843 is: 3,036,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,116.60 : 5,409,384.42 = 2,200,843 : x
  2. Step 2: Convert to fraction form
    3,920,116.60/5,409,384.42 = 2,200,843/x
  3. Step 3: Cross multiply
    3,920,116.60x = 5,409,384.42 × 2,200,843
  4. Step 4: Simplify right side
    3,920,116.60x = 11,905,205,835,066.06
  5. Step 5: Solve for x
    x = 11,905,205,835,066.06/3,920,116.60
  6. Step 6: Final answer
    x = 3,036,951.97

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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.