Home / 1,915,000.83-2,871,753.91-835,843.45

Finding the Fourth Proportional to 1,915,000.83, 2,871,753.91 and 835,843.45

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Solution

The fourth proportional to 1,915,000.83, 2,871,753.91 and 835,843.45 is: 1,253,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,000.83 : 2,871,753.91 = 835,843.45 : x
  2. Step 2: Convert to fraction form
    1,915,000.83/2,871,753.91 = 835,843.45/x
  3. Step 3: Cross multiply
    1,915,000.83x = 2,871,753.91 × 835,843.45
  4. Step 4: Simplify right side
    1,915,000.83x = 2,400,336,695,685.39
  5. Step 5: Solve for x
    x = 2,400,336,695,685.39/1,915,000.83
  6. Step 6: Final answer
    x = 1,253,438.98

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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.