Home / 5,620,255.29-8,430,404.81-1,360,416.69

Finding the Fourth Proportional to 5,620,255.29, 8,430,404.81 and 1,360,416.69

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Solution

The fourth proportional to 5,620,255.29, 8,430,404.81 and 1,360,416.69 is: 2,040,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620,255.29 : 8,430,404.81 = 1,360,416.69 : x
  2. Step 2: Convert to fraction form
    5,620,255.29/8,430,404.81 = 1,360,416.69/x
  3. Step 3: Cross multiply
    5,620,255.29x = 8,430,404.81 × 1,360,416.69
  4. Step 4: Simplify right side
    5,620,255.29x = 11,468,863,400,178.20
  5. Step 5: Solve for x
    x = 11,468,863,400,178.20/5,620,255.29
  6. Step 6: Final answer
    x = 2,040,630.33

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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.