Home / 2,028,769.28-3,043,790.72-1,220,084.48

Finding the Fourth Proportional to 2,028,769.28, 3,043,790.72 and 1,220,084.48

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Solution

The fourth proportional to 2,028,769.28, 3,043,790.72 and 1,220,084.48 is: 1,830,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,769.28 : 3,043,790.72 = 1,220,084.48 : x
  2. Step 2: Convert to fraction form
    2,028,769.28/3,043,790.72 = 1,220,084.48/x
  3. Step 3: Cross multiply
    2,028,769.28x = 3,043,790.72 × 1,220,084.48
  4. Step 4: Simplify right side
    2,028,769.28x = 3,713,681,817,840.03
  5. Step 5: Solve for x
    x = 3,713,681,817,840.03/2,028,769.28
  6. Step 6: Final answer
    x = 1,830,509.69

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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.