Home / 2,129,459.60-3,194,189.40-1,955,277.20

Finding the Fourth Proportional to 2,129,459.60, 3,194,189.40 and 1,955,277.20

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Solution

The fourth proportional to 2,129,459.60, 3,194,189.40 and 1,955,277.20 is: 2,932,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,459.60 : 3,194,189.40 = 1,955,277.20 : x
  2. Step 2: Convert to fraction form
    2,129,459.60/3,194,189.40 = 1,955,277.20/x
  3. Step 3: Cross multiply
    2,129,459.60x = 3,194,189.40 × 1,955,277.20
  4. Step 4: Simplify right side
    2,129,459.60x = 6,245,525,706,301.68
  5. Step 5: Solve for x
    x = 6,245,525,706,301.68/2,129,459.60
  6. Step 6: Final answer
    x = 2,932,915.80

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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.