Home / 5,129,246.80-7,694,561.40-1,764,485.20

Finding the Fourth Proportional to 5,129,246.80, 7,694,561.40 and 1,764,485.20

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Solution

The fourth proportional to 5,129,246.80, 7,694,561.40 and 1,764,485.20 is: 2,646,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,246.80 : 7,694,561.40 = 1,764,485.20 : x
  2. Step 2: Convert to fraction form
    5,129,246.80/7,694,561.40 = 1,764,485.20/x
  3. Step 3: Cross multiply
    5,129,246.80x = 7,694,561.40 × 1,764,485.20
  4. Step 4: Simplify right side
    5,129,246.80x = 13,576,939,710,791.28
  5. Step 5: Solve for x
    x = 13,576,939,710,791.28/5,129,246.80
  6. Step 6: Final answer
    x = 2,646,965.58

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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.