Home / 1,552,904.20-2,144,175.42-1,528,103.80

Finding the Fourth Proportional to 1,552,904.20, 2,144,175.42 and 1,528,103.80

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Solution

The fourth proportional to 1,552,904.20, 2,144,175.42 and 1,528,103.80 is: 2,109,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,904.20 : 2,144,175.42 = 1,528,103.80 : x
  2. Step 2: Convert to fraction form
    1,552,904.20/2,144,175.42 = 1,528,103.80/x
  3. Step 3: Cross multiply
    1,552,904.20x = 2,144,175.42 × 1,528,103.80
  4. Step 4: Simplify right side
    1,552,904.20x = 3,276,522,607,168.60
  5. Step 5: Solve for x
    x = 3,276,522,607,168.60/1,552,904.20
  6. Step 6: Final answer
    x = 2,109,932.22

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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.