Home / 6,419,269.71-9,628,807.37-1,561,621.95

Finding the Fourth Proportional to 6,419,269.71, 9,628,807.37 and 1,561,621.95

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Solution

The fourth proportional to 6,419,269.71, 9,628,807.37 and 1,561,621.95 is: 2,342,409.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,269.71 : 9,628,807.37 = 1,561,621.95 : x
  2. Step 2: Convert to fraction form
    6,419,269.71/9,628,807.37 = 1,561,621.95/x
  3. Step 3: Cross multiply
    6,419,269.71x = 9,628,807.37 × 1,561,621.95
  4. Step 4: Simplify right side
    6,419,269.71x = 15,036,556,933,505.66
  5. Step 5: Solve for x
    x = 15,036,556,933,505.66/6,419,269.71
  6. Step 6: Final answer
    x = 2,342,409.28

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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.