Home / 3,778,036.71-5,213,692.61-2,146,446.93

Finding the Fourth Proportional to 3,778,036.71, 5,213,692.61 and 2,146,446.93

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Solution

The fourth proportional to 3,778,036.71, 5,213,692.61 and 2,146,446.93 is: 2,962,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,036.71 : 5,213,692.61 = 2,146,446.93 : x
  2. Step 2: Convert to fraction form
    3,778,036.71/5,213,692.61 = 2,146,446.93/x
  3. Step 3: Cross multiply
    3,778,036.71x = 5,213,692.61 × 2,146,446.93
  4. Step 4: Simplify right side
    3,778,036.71x = 11,190,914,485,965.96
  5. Step 5: Solve for x
    x = 11,190,914,485,965.96/3,778,036.71
  6. Step 6: Final answer
    x = 2,962,097.87

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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.