Home / 2,652,921.60-3,980,157.30-855,765.18

Finding the Fourth Proportional to 2,652,921.60, 3,980,157.30 and 855,765.18

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Solution

The fourth proportional to 2,652,921.60, 3,980,157.30 and 855,765.18 is: 1,283,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,921.60 : 3,980,157.30 = 855,765.18 : x
  2. Step 2: Convert to fraction form
    2,652,921.60/3,980,157.30 = 855,765.18/x
  3. Step 3: Cross multiply
    2,652,921.60x = 3,980,157.30 × 855,765.18
  4. Step 4: Simplify right side
    2,652,921.60x = 3,406,080,028,262.81
  5. Step 5: Solve for x
    x = 3,406,080,028,262.81/2,652,921.60
  6. Step 6: Final answer
    x = 1,283,897.73

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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.