Home / 2,119,395.92-3,177,106.20-771,222.32

Finding the Fourth Proportional to 2,119,395.92, 3,177,106.20 and 771,222.32

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Solution

The fourth proportional to 2,119,395.92, 3,177,106.20 and 771,222.32 is: 1,156,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,395.92 : 3,177,106.20 = 771,222.32 : x
  2. Step 2: Convert to fraction form
    2,119,395.92/3,177,106.20 = 771,222.32/x
  3. Step 3: Cross multiply
    2,119,395.92x = 3,177,106.20 × 771,222.32
  4. Step 4: Simplify right side
    2,119,395.92x = 2,450,255,214,450.38
  5. Step 5: Solve for x
    x = 2,450,255,214,450.38/2,119,395.92
  6. Step 6: Final answer
    x = 1,156,110.19

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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.