Home / 7,122,843.59-10,684,186.55-1,731,499.19

Finding the Fourth Proportional to 7,122,843.59, 10,684,186.55 and 1,731,499.19

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Solution

The fourth proportional to 7,122,843.59, 10,684,186.55 and 1,731,499.19 is: 2,597,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,843.59 : 10,684,186.55 = 1,731,499.19 : x
  2. Step 2: Convert to fraction form
    7,122,843.59/10,684,186.55 = 1,731,499.19/x
  3. Step 3: Cross multiply
    7,122,843.59x = 10,684,186.55 × 1,731,499.19
  4. Step 4: Simplify right side
    7,122,843.59x = 18,499,660,308,041.71
  5. Step 5: Solve for x
    x = 18,499,660,308,041.71/7,122,843.59
  6. Step 6: Final answer
    x = 2,597,229.62

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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.