Home / 2,699,796.21-4,039,743.25-1,620,964.50

Finding the Fourth Proportional to 2,699,796.21, 4,039,743.25 and 1,620,964.50

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Solution

The fourth proportional to 2,699,796.21, 4,039,743.25 and 1,620,964.50 is: 2,425,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699,796.21 : 4,039,743.25 = 1,620,964.50 : x
  2. Step 2: Convert to fraction form
    2,699,796.21/4,039,743.25 = 1,620,964.50/x
  3. Step 3: Cross multiply
    2,699,796.21x = 4,039,743.25 × 1,620,964.50
  4. Step 4: Simplify right side
    2,699,796.21x = 6,548,280,397,364.63
  5. Step 5: Solve for x
    x = 6,548,280,397,364.63/2,699,796.21
  6. Step 6: Final answer
    x = 2,425,472.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.