Home / 1,561,066.92-2,154,314.34-881,988.84

Finding the Fourth Proportional to 1,561,066.92, 2,154,314.34 and 881,988.84

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Solution

The fourth proportional to 1,561,066.92, 2,154,314.34 and 881,988.84 is: 1,217,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,066.92 : 2,154,314.34 = 881,988.84 : x
  2. Step 2: Convert to fraction form
    1,561,066.92/2,154,314.34 = 881,988.84/x
  3. Step 3: Cross multiply
    1,561,066.92x = 2,154,314.34 × 881,988.84
  4. Step 4: Simplify right side
    1,561,066.92x = 1,900,081,205,731.97
  5. Step 5: Solve for x
    x = 1,900,081,205,731.97/1,561,066.92
  6. Step 6: Final answer
    x = 1,217,168.32

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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.