Home / 2,220,905.76-3,064,856.86-1,202,308.08

Finding the Fourth Proportional to 2,220,905.76, 3,064,856.86 and 1,202,308.08

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Solution

The fourth proportional to 2,220,905.76, 3,064,856.86 and 1,202,308.08 is: 1,659,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,905.76 : 3,064,856.86 = 1,202,308.08 : x
  2. Step 2: Convert to fraction form
    2,220,905.76/3,064,856.86 = 1,202,308.08/x
  3. Step 3: Cross multiply
    2,220,905.76x = 3,064,856.86 × 1,202,308.08
  4. Step 4: Simplify right side
    2,220,905.76x = 3,684,902,166,821.43
  5. Step 5: Solve for x
    x = 3,684,902,166,821.43/2,220,905.76
  6. Step 6: Final answer
    x = 1,659,188.89

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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.