Home / 4,000,419.44-5,520,595.65-2,164,877.81

Finding the Fourth Proportional to 4,000,419.44, 5,520,595.65 and 2,164,877.81

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Solution

The fourth proportional to 4,000,419.44, 5,520,595.65 and 2,164,877.81 is: 2,987,540.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000,419.44 : 5,520,595.65 = 2,164,877.81 : x
  2. Step 2: Convert to fraction form
    4,000,419.44/5,520,595.65 = 2,164,877.81/x
  3. Step 3: Cross multiply
    4,000,419.44x = 5,520,595.65 × 2,164,877.81
  4. Step 4: Simplify right side
    4,000,419.44x = 11,951,415,033,352.60
  5. Step 5: Solve for x
    x = 11,951,415,033,352.60/4,000,419.44
  6. Step 6: Final answer
    x = 2,987,540.49

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1.5x scale

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.