Home / 6,464,704.69-8,921,289.62-3,711,569.67

Finding the Fourth Proportional to 6,464,704.69, 8,921,289.62 and 3,711,569.67

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Solution

The fourth proportional to 6,464,704.69, 8,921,289.62 and 3,711,569.67 is: 5,121,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464,704.69 : 8,921,289.62 = 3,711,569.67 : x
  2. Step 2: Convert to fraction form
    6,464,704.69/8,921,289.62 = 3,711,569.67/x
  3. Step 3: Cross multiply
    6,464,704.69x = 8,921,289.62 × 3,711,569.67
  4. Step 4: Simplify right side
    6,464,704.69x = 33,111,987,970,877.82
  5. Step 5: Solve for x
    x = 33,111,987,970,877.82/6,464,704.69
  6. Step 6: Final answer
    x = 5,121,964.51

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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.