Home / 5,205,833.15-7,809,476.30-2,172,503.70

Finding the Fourth Proportional to 5,205,833.15, 7,809,476.30 and 2,172,503.70

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Solution

The fourth proportional to 5,205,833.15, 7,809,476.30 and 2,172,503.70 is: 3,259,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205,833.15 : 7,809,476.30 = 2,172,503.70 : x
  2. Step 2: Convert to fraction form
    5,205,833.15/7,809,476.30 = 2,172,503.70/x
  3. Step 3: Cross multiply
    5,205,833.15x = 7,809,476.30 × 2,172,503.70
  4. Step 4: Simplify right side
    5,205,833.15x = 16,966,116,145,949.79
  5. Step 5: Solve for x
    x = 16,966,116,145,949.79/5,205,833.15
  6. Step 6: Final answer
    x = 3,259,058.77

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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.