Home / 2,538,211.68-3,502,710.50-1,392,271.20

Finding the Fourth Proportional to 2,538,211.68, 3,502,710.50 and 1,392,271.20

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Solution

The fourth proportional to 2,538,211.68, 3,502,710.50 and 1,392,271.20 is: 1,921,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,211.68 : 3,502,710.50 = 1,392,271.20 : x
  2. Step 2: Convert to fraction form
    2,538,211.68/3,502,710.50 = 1,392,271.20/x
  3. Step 3: Cross multiply
    2,538,211.68x = 3,502,710.50 × 1,392,271.20
  4. Step 4: Simplify right side
    2,538,211.68x = 4,876,722,951,087.60
  5. Step 5: Solve for x
    x = 4,876,722,951,087.60/2,538,211.68
  6. Step 6: Final answer
    x = 1,921,322.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.