Home / 2,181,465.63-3,010,546.70-1,310,566.73

Finding the Fourth Proportional to 2,181,465.63, 3,010,546.70 and 1,310,566.73

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Solution

The fourth proportional to 2,181,465.63, 3,010,546.70 and 1,310,566.73 is: 1,808,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,465.63 : 3,010,546.70 = 1,310,566.73 : x
  2. Step 2: Convert to fraction form
    2,181,465.63/3,010,546.70 = 1,310,566.73/x
  3. Step 3: Cross multiply
    2,181,465.63x = 3,010,546.70 × 1,310,566.73
  4. Step 4: Simplify right side
    2,181,465.63x = 3,945,522,337,578.46
  5. Step 5: Solve for x
    x = 3,945,522,337,578.46/2,181,465.63
  6. Step 6: Final answer
    x = 1,808,656.66

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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.