Home / 5,109,416.78-7,655,449.41-3,083,403.39

Finding the Fourth Proportional to 5,109,416.78, 7,655,449.41 and 3,083,403.39

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Solution

The fourth proportional to 5,109,416.78, 7,655,449.41 and 3,083,403.39 is: 4,619,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,416.78 : 7,655,449.41 = 3,083,403.39 : x
  2. Step 2: Convert to fraction form
    5,109,416.78/7,655,449.41 = 3,083,403.39/x
  3. Step 3: Cross multiply
    5,109,416.78x = 7,655,449.41 × 3,083,403.39
  4. Step 4: Simplify right side
    5,109,416.78x = 23,604,838,662,767.50
  5. Step 5: Solve for x
    x = 23,604,838,662,767.50/5,109,416.78
  6. Step 6: Final answer
    x = 4,619,869.49

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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.