Home / 1,900,549.12-2,850,321.48-821,437.96

Finding the Fourth Proportional to 1,900,549.12, 2,850,321.48 and 821,437.96

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Solution

The fourth proportional to 1,900,549.12, 2,850,321.48 and 821,437.96 is: 1,231,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,549.12 : 2,850,321.48 = 821,437.96 : x
  2. Step 2: Convert to fraction form
    1,900,549.12/2,850,321.48 = 821,437.96/x
  3. Step 3: Cross multiply
    1,900,549.12x = 2,850,321.48 × 821,437.96
  4. Step 4: Simplify right side
    1,900,549.12x = 2,341,362,261,875.38
  5. Step 5: Solve for x
    x = 2,341,362,261,875.38/1,900,549.12
  6. Step 6: Final answer
    x = 1,231,939.88

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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.