Home / 2,812,821.27-3,881,712-1,523,661.66

Finding the Fourth Proportional to 2,812,821.27, 3,881,712 and 1,523,661.66

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Solution

The fourth proportional to 2,812,821.27, 3,881,712 and 1,523,661.66 is: 2,102,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,821.27 : 3,881,712 = 1,523,661.66 : x
  2. Step 2: Convert to fraction form
    2,812,821.27/3,881,712 = 1,523,661.66/x
  3. Step 3: Cross multiply
    2,812,821.27x = 3,881,712 × 1,523,661.66
  4. Step 4: Simplify right side
    2,812,821.27x = 5,914,415,749,561.92
  5. Step 5: Solve for x
    x = 5,914,415,749,561.92/2,812,821.27
  6. Step 6: Final answer
    x = 2,102,663.19

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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.