Home / 2,133,315.60-3,203,659.80-1,137,987.60

Finding the Fourth Proportional to 2,133,315.60, 3,203,659.80 and 1,137,987.60

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Solution

The fourth proportional to 2,133,315.60, 3,203,659.80 and 1,137,987.60 is: 1,708,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,315.60 : 3,203,659.80 = 1,137,987.60 : x
  2. Step 2: Convert to fraction form
    2,133,315.60/3,203,659.80 = 1,137,987.60/x
  3. Step 3: Cross multiply
    2,133,315.60x = 3,203,659.80 × 1,137,987.60
  4. Step 4: Simplify right side
    2,133,315.60x = 3,645,725,127,018.48
  5. Step 5: Solve for x
    x = 3,645,725,127,018.48/2,133,315.60
  6. Step 6: Final answer
    x = 1,708,947.86

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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.