Home / 3,314,439.60-4,971,659.40-1,894,639.20

Finding the Fourth Proportional to 3,314,439.60, 4,971,659.40 and 1,894,639.20

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Solution

The fourth proportional to 3,314,439.60, 4,971,659.40 and 1,894,639.20 is: 2,841,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314,439.60 : 4,971,659.40 = 1,894,639.20 : x
  2. Step 2: Convert to fraction form
    3,314,439.60/4,971,659.40 = 1,894,639.20/x
  3. Step 3: Cross multiply
    3,314,439.60x = 4,971,659.40 × 1,894,639.20
  4. Step 4: Simplify right side
    3,314,439.60x = 9,419,500,788,288.48
  5. Step 5: Solve for x
    x = 9,419,500,788,288.48/3,314,439.60
  6. Step 6: Final answer
    x = 2,841,958.80

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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.