Home / 2,177,561.34-3,005,104.05-1,210,732.38

Finding the Fourth Proportional to 2,177,561.34, 3,005,104.05 and 1,210,732.38

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Solution

The fourth proportional to 2,177,561.34, 3,005,104.05 and 1,210,732.38 is: 1,670,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,561.34 : 3,005,104.05 = 1,210,732.38 : x
  2. Step 2: Convert to fraction form
    2,177,561.34/3,005,104.05 = 1,210,732.38/x
  3. Step 3: Cross multiply
    2,177,561.34x = 3,005,104.05 × 1,210,732.38
  4. Step 4: Simplify right side
    2,177,561.34x = 3,638,376,778,604.14
  5. Step 5: Solve for x
    x = 3,638,376,778,604.14/2,177,561.34
  6. Step 6: Final answer
    x = 1,670,849.27

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1.5x scale

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.