Home / 3,118,820.36-4,305,996.45-2,791,566.18

Finding the Fourth Proportional to 3,118,820.36, 4,305,996.45 and 2,791,566.18

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Solution

The fourth proportional to 3,118,820.36, 4,305,996.45 and 2,791,566.18 is: 3,854,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,820.36 : 4,305,996.45 = 2,791,566.18 : x
  2. Step 2: Convert to fraction form
    3,118,820.36/4,305,996.45 = 2,791,566.18/x
  3. Step 3: Cross multiply
    3,118,820.36x = 4,305,996.45 × 2,791,566.18
  4. Step 4: Simplify right side
    3,118,820.36x = 12,020,474,061,020.06
  5. Step 5: Solve for x
    x = 12,020,474,061,020.06/3,118,820.36
  6. Step 6: Final answer
    x = 3,854,173.27

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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.