Home / 2,177,953.79-3,005,452.63-1,211,063.32

Finding the Fourth Proportional to 2,177,953.79, 3,005,452.63 and 1,211,063.32

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Solution

The fourth proportional to 2,177,953.79, 3,005,452.63 and 1,211,063.32 is: 1,671,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,953.79 : 3,005,452.63 = 1,211,063.32 : x
  2. Step 2: Convert to fraction form
    2,177,953.79/3,005,452.63 = 1,211,063.32/x
  3. Step 3: Cross multiply
    2,177,953.79x = 3,005,452.63 × 1,211,063.32
  4. Step 4: Simplify right side
    2,177,953.79x = 3,639,793,450,507.90
  5. Step 5: Solve for x
    x = 3,639,793,450,507.90/2,177,953.79
  6. Step 6: Final answer
    x = 1,671,198.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.