Home / 2,154,000.80-3,224,780.40-1,314,192.80

Finding the Fourth Proportional to 2,154,000.80, 3,224,780.40 and 1,314,192.80

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Solution

The fourth proportional to 2,154,000.80, 3,224,780.40 and 1,314,192.80 is: 1,967,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,000.80 : 3,224,780.40 = 1,314,192.80 : x
  2. Step 2: Convert to fraction form
    2,154,000.80/3,224,780.40 = 1,314,192.80/x
  3. Step 3: Cross multiply
    2,154,000.80x = 3,224,780.40 × 1,314,192.80
  4. Step 4: Simplify right side
    2,154,000.80x = 4,237,983,183,261.12
  5. Step 5: Solve for x
    x = 4,237,983,183,261.12/2,154,000.80
  6. Step 6: Final answer
    x = 1,967,493.78

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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.