Home / 2,141,059.52-3,211,788-1,528,129.28

Finding the Fourth Proportional to 2,141,059.52, 3,211,788 and 1,528,129.28

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Solution

The fourth proportional to 2,141,059.52, 3,211,788 and 1,528,129.28 is: 2,292,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,059.52 : 3,211,788 = 1,528,129.28 : x
  2. Step 2: Convert to fraction form
    2,141,059.52/3,211,788 = 1,528,129.28/x
  3. Step 3: Cross multiply
    2,141,059.52x = 3,211,788 × 1,528,129.28
  4. Step 4: Simplify right side
    2,141,059.52x = 4,908,027,283,952.64
  5. Step 5: Solve for x
    x = 4,908,027,283,952.64/2,141,059.52
  6. Step 6: Final answer
    x = 2,292,335.75

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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.