Home / 5,100,503.25-7,038,694.49-2,808,658.47

Finding the Fourth Proportional to 5,100,503.25, 7,038,694.49 and 2,808,658.47

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Solution

The fourth proportional to 5,100,503.25, 7,038,694.49 and 2,808,658.47 is: 3,875,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,503.25 : 7,038,694.49 = 2,808,658.47 : x
  2. Step 2: Convert to fraction form
    5,100,503.25/7,038,694.49 = 2,808,658.47/x
  3. Step 3: Cross multiply
    5,100,503.25x = 7,038,694.49 × 2,808,658.47
  4. Step 4: Simplify right side
    5,100,503.25x = 19,769,288,883,037.54
  5. Step 5: Solve for x
    x = 19,769,288,883,037.54/5,100,503.25
  6. Step 6: Final answer
    x = 3,875,948.69

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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.