Home / 1,516,142.17-2,091,520.86-903,863.51

Finding the Fourth Proportional to 1,516,142.17, 2,091,520.86 and 903,863.51

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Solution

The fourth proportional to 1,516,142.17, 2,091,520.86 and 903,863.51 is: 1,246,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,142.17 : 2,091,520.86 = 903,863.51 : x
  2. Step 2: Convert to fraction form
    1,516,142.17/2,091,520.86 = 903,863.51/x
  3. Step 3: Cross multiply
    1,516,142.17x = 2,091,520.86 × 903,863.51
  4. Step 4: Simplify right side
    1,516,142.17x = 1,890,449,384,838.16
  5. Step 5: Solve for x
    x = 1,890,449,384,838.16/1,516,142.17
  6. Step 6: Final answer
    x = 1,246,881.34

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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.