Home / 3,175,527.84-4,382,143.11-1,868,856.76

Finding the Fourth Proportional to 3,175,527.84, 4,382,143.11 and 1,868,856.76

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Solution

The fourth proportional to 3,175,527.84, 4,382,143.11 and 1,868,856.76 is: 2,578,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,527.84 : 4,382,143.11 = 1,868,856.76 : x
  2. Step 2: Convert to fraction form
    3,175,527.84/4,382,143.11 = 1,868,856.76/x
  3. Step 3: Cross multiply
    3,175,527.84x = 4,382,143.11 × 1,868,856.76
  4. Step 4: Simplify right side
    3,175,527.84x = 8,189,597,765,066.64
  5. Step 5: Solve for x
    x = 8,189,597,765,066.64/3,175,527.84
  6. Step 6: Final answer
    x = 2,578,972.12

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Double scale
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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.