Home / 2,019,754.20-3,028,124.70-1,220,867.40

Finding the Fourth Proportional to 2,019,754.20, 3,028,124.70 and 1,220,867.40

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Solution

The fourth proportional to 2,019,754.20, 3,028,124.70 and 1,220,867.40 is: 1,830,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,754.20 : 3,028,124.70 = 1,220,867.40 : x
  2. Step 2: Convert to fraction form
    2,019,754.20/3,028,124.70 = 1,220,867.40/x
  3. Step 3: Cross multiply
    2,019,754.20x = 3,028,124.70 × 1,220,867.40
  4. Step 4: Simplify right side
    2,019,754.20x = 3,696,938,729,364.78
  5. Step 5: Solve for x
    x = 3,696,938,729,364.78/2,019,754.20
  6. Step 6: Final answer
    x = 1,830,390.42

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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.