Home / 2,079,958.42-3,120,094.48-620,889.60

Finding the Fourth Proportional to 2,079,958.42, 3,120,094.48 and 620,889.60

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Solution

The fourth proportional to 2,079,958.42, 3,120,094.48 and 620,889.60 is: 931,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,958.42 : 3,120,094.48 = 620,889.60 : x
  2. Step 2: Convert to fraction form
    2,079,958.42/3,120,094.48 = 620,889.60/x
  3. Step 3: Cross multiply
    2,079,958.42x = 3,120,094.48 × 620,889.60
  4. Step 4: Simplify right side
    2,079,958.42x = 1,937,234,212,097.18
  5. Step 5: Solve for x
    x = 1,937,234,212,097.18/2,079,958.42
  6. Step 6: Final answer
    x = 931,381.22

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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.