Home / 2,124,221-3,186,334.56-1,621,635.56

Finding the Fourth Proportional to 2,124,221, 3,186,334.56 and 1,621,635.56

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Solution

The fourth proportional to 2,124,221, 3,186,334.56 and 1,621,635.56 is: 2,432,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,221 : 3,186,334.56 = 1,621,635.56 : x
  2. Step 2: Convert to fraction form
    2,124,221/3,186,334.56 = 1,621,635.56/x
  3. Step 3: Cross multiply
    2,124,221x = 3,186,334.56 × 1,621,635.56
  4. Step 4: Simplify right side
    2,124,221x = 5,167,073,428,552.95
  5. Step 5: Solve for x
    x = 5,167,073,428,552.95/2,124,221
  6. Step 6: Final answer
    x = 2,432,455.68

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Double scale
Find fourth proportional to 2,124,222, 3,186,336.06 and 1,621,636.56
Similar ratio
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1.5x scale

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.