Home / 2,061,235.20-3,087,187.20-1,221,427.20

Finding the Fourth Proportional to 2,061,235.20, 3,087,187.20 and 1,221,427.20

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Solution

The fourth proportional to 2,061,235.20, 3,087,187.20 and 1,221,427.20 is: 1,829,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061,235.20 : 3,087,187.20 = 1,221,427.20 : x
  2. Step 2: Convert to fraction form
    2,061,235.20/3,087,187.20 = 1,221,427.20/x
  3. Step 3: Cross multiply
    2,061,235.20x = 3,087,187.20 × 1,221,427.20
  4. Step 4: Simplify right side
    2,061,235.20x = 3,770,774,417,571.84
  5. Step 5: Solve for x
    x = 3,770,774,417,571.84/2,061,235.20
  6. Step 6: Final answer
    x = 1,829,376.10

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1.5x scale

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.