Home / 2,119,397.92-3,177,109.20-771,224.32

Finding the Fourth Proportional to 2,119,397.92, 3,177,109.20 and 771,224.32

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Solution

The fourth proportional to 2,119,397.92, 3,177,109.20 and 771,224.32 is: 1,156,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,397.92 : 3,177,109.20 = 771,224.32 : x
  2. Step 2: Convert to fraction form
    2,119,397.92/3,177,109.20 = 771,224.32/x
  3. Step 3: Cross multiply
    2,119,397.92x = 3,177,109.20 × 771,224.32
  4. Step 4: Simplify right side
    2,119,397.92x = 2,450,263,882,335.74
  5. Step 5: Solve for x
    x = 2,450,263,882,335.74/2,119,397.92
  6. Step 6: Final answer
    x = 1,156,113.19

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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.