Home / 2,909,921.39-4,015,692.71-1,686,935.96

Finding the Fourth Proportional to 2,909,921.39, 4,015,692.71 and 1,686,935.96

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Solution

The fourth proportional to 2,909,921.39, 4,015,692.71 and 1,686,935.96 is: 2,327,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,921.39 : 4,015,692.71 = 1,686,935.96 : x
  2. Step 2: Convert to fraction form
    2,909,921.39/4,015,692.71 = 1,686,935.96/x
  3. Step 3: Cross multiply
    2,909,921.39x = 4,015,692.71 × 1,686,935.96
  4. Step 4: Simplify right side
    2,909,921.39x = 6,774,216,414,621.72
  5. Step 5: Solve for x
    x = 6,774,216,414,621.72/2,909,921.39
  6. Step 6: Final answer
    x = 2,327,972.31

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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.