Home / 2,143,396.17-2,956,541.25-1,271,613.66

Finding the Fourth Proportional to 2,143,396.17, 2,956,541.25 and 1,271,613.66

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Solution

The fourth proportional to 2,143,396.17, 2,956,541.25 and 1,271,613.66 is: 1,754,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,396.17 : 2,956,541.25 = 1,271,613.66 : x
  2. Step 2: Convert to fraction form
    2,143,396.17/2,956,541.25 = 1,271,613.66/x
  3. Step 3: Cross multiply
    2,143,396.17x = 2,956,541.25 × 1,271,613.66
  4. Step 4: Simplify right side
    2,143,396.17x = 3,759,578,233,535.00
  5. Step 5: Solve for x
    x = 3,759,578,233,535.00/2,143,396.17
  6. Step 6: Final answer
    x = 1,754,028.63

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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.