Home / 5,221,732.60-7,830,825.09-1,809,222.72

Finding the Fourth Proportional to 5,221,732.60, 7,830,825.09 and 1,809,222.72

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Solution

The fourth proportional to 5,221,732.60, 7,830,825.09 and 1,809,222.72 is: 2,713,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,732.60 : 7,830,825.09 = 1,809,222.72 : x
  2. Step 2: Convert to fraction form
    5,221,732.60/7,830,825.09 = 1,809,222.72/x
  3. Step 3: Cross multiply
    5,221,732.60x = 7,830,825.09 × 1,809,222.72
  4. Step 4: Simplify right side
    5,221,732.60x = 14,167,706,633,023.87
  5. Step 5: Solve for x
    x = 14,167,706,633,023.87/5,221,732.60
  6. Step 6: Final answer
    x = 2,713,219.48

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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.