Home / 2,142,028.80-3,213,043.20-943,334.10

Finding the Fourth Proportional to 2,142,028.80, 3,213,043.20 and 943,334.10

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Solution

The fourth proportional to 2,142,028.80, 3,213,043.20 and 943,334.10 is: 1,415,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,028.80 : 3,213,043.20 = 943,334.10 : x
  2. Step 2: Convert to fraction form
    2,142,028.80/3,213,043.20 = 943,334.10/x
  3. Step 3: Cross multiply
    2,142,028.80x = 3,213,043.20 × 943,334.10
  4. Step 4: Simplify right side
    2,142,028.80x = 3,030,973,215,333.12
  5. Step 5: Solve for x
    x = 3,030,973,215,333.12/2,142,028.80
  6. Step 6: Final answer
    x = 1,415,001.15

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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.