Home / 1,985,181.64-2,976,571.16-890,765.84

Finding the Fourth Proportional to 1,985,181.64, 2,976,571.16 and 890,765.84

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Solution

The fourth proportional to 1,985,181.64, 2,976,571.16 and 890,765.84 is: 1,335,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,181.64 : 2,976,571.16 = 890,765.84 : x
  2. Step 2: Convert to fraction form
    1,985,181.64/2,976,571.16 = 890,765.84/x
  3. Step 3: Cross multiply
    1,985,181.64x = 2,976,571.16 × 890,765.84
  4. Step 4: Simplify right side
    1,985,181.64x = 2,651,427,909,657.17
  5. Step 5: Solve for x
    x = 2,651,427,909,657.17/1,985,181.64
  6. Step 6: Final answer
    x = 1,335,609.73

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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.