Home / 3,202,418.96-4,418,901.70-1,912,985.63

Finding the Fourth Proportional to 3,202,418.96, 4,418,901.70 and 1,912,985.63

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Solution

The fourth proportional to 3,202,418.96, 4,418,901.70 and 1,912,985.63 is: 2,639,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202,418.96 : 4,418,901.70 = 1,912,985.63 : x
  2. Step 2: Convert to fraction form
    3,202,418.96/4,418,901.70 = 1,912,985.63/x
  3. Step 3: Cross multiply
    3,202,418.96x = 4,418,901.70 × 1,912,985.63
  4. Step 4: Simplify right side
    3,202,418.96x = 8,453,295,452,482.57
  5. Step 5: Solve for x
    x = 8,453,295,452,482.57/3,202,418.96
  6. Step 6: Final answer
    x = 2,639,659.44

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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.