Home / 3,209,947.60-4,430,199.24-1,851,555.28

Finding the Fourth Proportional to 3,209,947.60, 4,430,199.24 and 1,851,555.28

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Solution

The fourth proportional to 3,209,947.60, 4,430,199.24 and 1,851,555.28 is: 2,555,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,947.60 : 4,430,199.24 = 1,851,555.28 : x
  2. Step 2: Convert to fraction form
    3,209,947.60/4,430,199.24 = 1,851,555.28/x
  3. Step 3: Cross multiply
    3,209,947.60x = 4,430,199.24 × 1,851,555.28
  4. Step 4: Simplify right side
    3,209,947.60x = 8,202,758,794,273.99
  5. Step 5: Solve for x
    x = 8,202,758,794,273.99/3,209,947.60
  6. Step 6: Final answer
    x = 2,555,418.29

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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.