Home / 3,139,959.88-4,707,095.95-2,180,868.34

Finding the Fourth Proportional to 3,139,959.88, 4,707,095.95 and 2,180,868.34

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Solution

The fourth proportional to 3,139,959.88, 4,707,095.95 and 2,180,868.34 is: 3,269,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,959.88 : 4,707,095.95 = 2,180,868.34 : x
  2. Step 2: Convert to fraction form
    3,139,959.88/4,707,095.95 = 2,180,868.34/x
  3. Step 3: Cross multiply
    3,139,959.88x = 4,707,095.95 × 2,180,868.34
  4. Step 4: Simplify right side
    3,139,959.88x = 10,265,556,530,697.22
  5. Step 5: Solve for x
    x = 10,265,556,530,697.22/3,139,959.88
  6. Step 6: Final answer
    x = 3,269,327.29

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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.