Home / 3,108,368.22-4,287,906.15-2,139,817.00

Finding the Fourth Proportional to 3,108,368.22, 4,287,906.15 and 2,139,817.00

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Solution

The fourth proportional to 3,108,368.22, 4,287,906.15 and 2,139,817.00 is: 2,951,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,368.22 : 4,287,906.15 = 2,139,817.00 : x
  2. Step 2: Convert to fraction form
    3,108,368.22/4,287,906.15 = 2,139,817.00/x
  3. Step 3: Cross multiply
    3,108,368.22x = 4,287,906.15 × 2,139,817.00
  4. Step 4: Simplify right side
    3,108,368.22x = 9,175,334,475,530.03
  5. Step 5: Solve for x
    x = 9,175,334,475,530.03/3,108,368.22
  6. Step 6: Final answer
    x = 2,951,817.10

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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.