Home / 1,660,983.30-2,494,427.40-1,212,210.90

Finding the Fourth Proportional to 1,660,983.30, 2,494,427.40 and 1,212,210.90

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Solution

The fourth proportional to 1,660,983.30, 2,494,427.40 and 1,212,210.90 is: 1,820,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,983.30 : 2,494,427.40 = 1,212,210.90 : x
  2. Step 2: Convert to fraction form
    1,660,983.30/2,494,427.40 = 1,212,210.90/x
  3. Step 3: Cross multiply
    1,660,983.30x = 2,494,427.40 × 1,212,210.90
  4. Step 4: Simplify right side
    1,660,983.30x = 3,023,772,083,538.66
  5. Step 5: Solve for x
    x = 3,023,772,083,538.66/1,660,983.30
  6. Step 6: Final answer
    x = 1,820,471.09

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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.