Home / 1,933,286.40-2,900,318.40-1,619,913.60

Finding the Fourth Proportional to 1,933,286.40, 2,900,318.40 and 1,619,913.60

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Solution

The fourth proportional to 1,933,286.40, 2,900,318.40 and 1,619,913.60 is: 2,430,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,286.40 : 2,900,318.40 = 1,619,913.60 : x
  2. Step 2: Convert to fraction form
    1,933,286.40/2,900,318.40 = 1,619,913.60/x
  3. Step 3: Cross multiply
    1,933,286.40x = 2,900,318.40 × 1,619,913.60
  4. Step 4: Simplify right side
    1,933,286.40x = 4,698,265,220,490.24
  5. Step 5: Solve for x
    x = 4,698,265,220,490.24/1,933,286.40
  6. Step 6: Final answer
    x = 2,430,196.18

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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.