Home / 5,237,724.66-7,856,919.09-1,643,633.46

Finding the Fourth Proportional to 5,237,724.66, 7,856,919.09 and 1,643,633.46

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Solution

The fourth proportional to 5,237,724.66, 7,856,919.09 and 1,643,633.46 is: 2,465,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237,724.66 : 7,856,919.09 = 1,643,633.46 : x
  2. Step 2: Convert to fraction form
    5,237,724.66/7,856,919.09 = 1,643,633.46/x
  3. Step 3: Cross multiply
    5,237,724.66x = 7,856,919.09 × 1,643,633.46
  4. Step 4: Simplify right side
    5,237,724.66x = 12,913,895,108,836.75
  5. Step 5: Solve for x
    x = 12,913,895,108,836.75/5,237,724.66
  6. Step 6: Final answer
    x = 2,465,554.41

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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.