Home / 3,877,353.68-5,817,217.56-1,985,434.64

Finding the Fourth Proportional to 3,877,353.68, 5,817,217.56 and 1,985,434.64

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Solution

The fourth proportional to 3,877,353.68, 5,817,217.56 and 1,985,434.64 is: 2,978,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877,353.68 : 5,817,217.56 = 1,985,434.64 : x
  2. Step 2: Convert to fraction form
    3,877,353.68/5,817,217.56 = 1,985,434.64/x
  3. Step 3: Cross multiply
    3,877,353.68x = 5,817,217.56 × 1,985,434.64
  4. Step 4: Simplify right side
    3,877,353.68x = 11,549,705,252,040.28
  5. Step 5: Solve for x
    x = 11,549,705,252,040.28/3,877,353.68
  6. Step 6: Final answer
    x = 2,978,759.79

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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.