Home / 1,918,143.42-2,877,754.59-838,750.92

Finding the Fourth Proportional to 1,918,143.42, 2,877,754.59 and 838,750.92

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Solution

The fourth proportional to 1,918,143.42, 2,877,754.59 and 838,750.92 is: 1,258,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,143.42 : 2,877,754.59 = 838,750.92 : x
  2. Step 2: Convert to fraction form
    1,918,143.42/2,877,754.59 = 838,750.92/x
  3. Step 3: Cross multiply
    1,918,143.42x = 2,877,754.59 × 838,750.92
  4. Step 4: Simplify right side
    1,918,143.42x = 2,413,719,309,896.72
  5. Step 5: Solve for x
    x = 2,413,719,309,896.72/1,918,143.42
  6. Step 6: Final answer
    x = 1,258,362.27

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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.