Home / 5,433,520.15-8,150,559.39-1,390,043.02

Finding the Fourth Proportional to 5,433,520.15, 8,150,559.39 and 1,390,043.02

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Solution

The fourth proportional to 5,433,520.15, 8,150,559.39 and 1,390,043.02 is: 2,085,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,520.15 : 8,150,559.39 = 1,390,043.02 : x
  2. Step 2: Convert to fraction form
    5,433,520.15/8,150,559.39 = 1,390,043.02/x
  3. Step 3: Cross multiply
    5,433,520.15x = 8,150,559.39 × 1,390,043.02
  4. Step 4: Simplify right side
    5,433,520.15x = 11,329,628,189,164.96
  5. Step 5: Solve for x
    x = 11,329,628,189,164.96/5,433,520.15
  6. Step 6: Final answer
    x = 2,085,135.95

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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.