Home / 2,133,343.60-3,203,701.80-1,138,015.60

Finding the Fourth Proportional to 2,133,343.60, 3,203,701.80 and 1,138,015.60

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Solution

The fourth proportional to 2,133,343.60, 3,203,701.80 and 1,138,015.60 is: 1,708,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,343.60 : 3,203,701.80 = 1,138,015.60 : x
  2. Step 2: Convert to fraction form
    2,133,343.60/3,203,701.80 = 1,138,015.60/x
  3. Step 3: Cross multiply
    2,133,343.60x = 3,203,701.80 × 1,138,015.60
  4. Step 4: Simplify right side
    2,133,343.60x = 3,645,862,626,148.08
  5. Step 5: Solve for x
    x = 3,645,862,626,148.08/2,133,343.60
  6. Step 6: Final answer
    x = 1,708,989.88

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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.