Home / 2,079,958.92-3,120,095.23-620,890.10

Finding the Fourth Proportional to 2,079,958.92, 3,120,095.23 and 620,890.10

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Solution

The fourth proportional to 2,079,958.92, 3,120,095.23 and 620,890.10 is: 931,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,958.92 : 3,120,095.23 = 620,890.10 : x
  2. Step 2: Convert to fraction form
    2,079,958.92/3,120,095.23 = 620,890.10/x
  3. Step 3: Cross multiply
    2,079,958.92x = 3,120,095.23 × 620,890.10
  4. Step 4: Simplify right side
    2,079,958.92x = 1,937,236,239,364.22
  5. Step 5: Solve for x
    x = 1,937,236,239,364.22/2,079,958.92
  6. Step 6: Final answer
    x = 931,381.97

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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.