Home / 1,545,893.64-2,315,175.21-1,225,013.76

Finding the Fourth Proportional to 1,545,893.64, 2,315,175.21 and 1,225,013.76

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Solution

The fourth proportional to 1,545,893.64, 2,315,175.21 and 1,225,013.76 is: 1,834,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,893.64 : 2,315,175.21 = 1,225,013.76 : x
  2. Step 2: Convert to fraction form
    1,545,893.64/2,315,175.21 = 1,225,013.76/x
  3. Step 3: Cross multiply
    1,545,893.64x = 2,315,175.21 × 1,225,013.76
  4. Step 4: Simplify right side
    1,545,893.64x = 2,836,121,489,060.89
  5. Step 5: Solve for x
    x = 2,836,121,489,060.89/1,545,893.64
  6. Step 6: Final answer
    x = 1,834,616.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.