Home / 2,875,420.82-4,312,392.82-853,186.37

Finding the Fourth Proportional to 2,875,420.82, 4,312,392.82 and 853,186.37

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Solution

The fourth proportional to 2,875,420.82, 4,312,392.82 and 853,186.37 is: 1,279,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,420.82 : 4,312,392.82 = 853,186.37 : x
  2. Step 2: Convert to fraction form
    2,875,420.82/4,312,392.82 = 853,186.37/x
  3. Step 3: Cross multiply
    2,875,420.82x = 4,312,392.82 × 853,186.37
  4. Step 4: Simplify right side
    2,875,420.82x = 3,679,274,752,414.93
  5. Step 5: Solve for x
    x = 3,679,274,752,414.93/2,875,420.82
  6. Step 6: Final answer
    x = 1,279,560.45

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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.