Home / 4,815,436.72-6,645,301.07-2,639,933.20

Finding the Fourth Proportional to 4,815,436.72, 6,645,301.07 and 2,639,933.20

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Solution

The fourth proportional to 4,815,436.72, 6,645,301.07 and 2,639,933.20 is: 3,643,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,436.72 : 6,645,301.07 = 2,639,933.20 : x
  2. Step 2: Convert to fraction form
    4,815,436.72/6,645,301.07 = 2,639,933.20/x
  3. Step 3: Cross multiply
    4,815,436.72x = 6,645,301.07 × 2,639,933.20
  4. Step 4: Simplify right side
    4,815,436.72x = 17,543,150,885,462.02
  5. Step 5: Solve for x
    x = 17,543,150,885,462.02/4,815,436.72
  6. Step 6: Final answer
    x = 3,643,106.93

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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.