Home / 2,156,821.40-3,233,676.90-1,210,482.20

Finding the Fourth Proportional to 2,156,821.40, 3,233,676.90 and 1,210,482.20

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Solution

The fourth proportional to 2,156,821.40, 3,233,676.90 and 1,210,482.20 is: 1,814,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,821.40 : 3,233,676.90 = 1,210,482.20 : x
  2. Step 2: Convert to fraction form
    2,156,821.40/3,233,676.90 = 1,210,482.20/x
  3. Step 3: Cross multiply
    2,156,821.40x = 3,233,676.90 × 1,210,482.20
  4. Step 4: Simplify right side
    2,156,821.40x = 3,914,308,328,001.18
  5. Step 5: Solve for x
    x = 3,914,308,328,001.18/2,156,821.40
  6. Step 6: Final answer
    x = 1,814,850.47

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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.