Home / 2,142,087.45-3,211,556.53-1,020,943.77

Finding the Fourth Proportional to 2,142,087.45, 3,211,556.53 and 1,020,943.77

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Solution

The fourth proportional to 2,142,087.45, 3,211,556.53 and 1,020,943.77 is: 1,530,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,087.45 : 3,211,556.53 = 1,020,943.77 : x
  2. Step 2: Convert to fraction form
    2,142,087.45/3,211,556.53 = 1,020,943.77/x
  3. Step 3: Cross multiply
    2,142,087.45x = 3,211,556.53 × 1,020,943.77
  4. Step 4: Simplify right side
    2,142,087.45x = 3,278,818,631,306.32
  5. Step 5: Solve for x
    x = 3,278,818,631,306.32/2,142,087.45
  6. Step 6: Final answer
    x = 1,530,665.16

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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.