Home / 5,221,734.79-7,830,828.37-1,809,224.91

Finding the Fourth Proportional to 5,221,734.79, 7,830,828.37 and 1,809,224.91

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Solution

The fourth proportional to 5,221,734.79, 7,830,828.37 and 1,809,224.91 is: 2,713,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,734.79 : 7,830,828.37 = 1,809,224.91 : x
  2. Step 2: Convert to fraction form
    5,221,734.79/7,830,828.37 = 1,809,224.91/x
  3. Step 3: Cross multiply
    5,221,734.79x = 7,830,828.37 × 1,809,224.91
  4. Step 4: Simplify right side
    5,221,734.79x = 14,167,729,704,738.43
  5. Step 5: Solve for x
    x = 14,167,729,704,738.43/5,221,734.79
  6. Step 6: Final answer
    x = 2,713,222.76

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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.