Home / 3,113,405.92-4,296,314.88-1,806,556.78

Finding the Fourth Proportional to 3,113,405.92, 4,296,314.88 and 1,806,556.78

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Solution

The fourth proportional to 3,113,405.92, 4,296,314.88 and 1,806,556.78 is: 2,492,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,405.92 : 4,296,314.88 = 1,806,556.78 : x
  2. Step 2: Convert to fraction form
    3,113,405.92/4,296,314.88 = 1,806,556.78/x
  3. Step 3: Cross multiply
    3,113,405.92x = 4,296,314.88 × 1,806,556.78
  4. Step 4: Simplify right side
    3,113,405.92x = 7,761,536,775,478.89
  5. Step 5: Solve for x
    x = 7,761,536,775,478.89/3,113,405.92
  6. Step 6: Final answer
    x = 2,492,940.84

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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.