Home / 2,585,186.05-3,878,360.54-788,251.17

Finding the Fourth Proportional to 2,585,186.05, 3,878,360.54 and 788,251.17

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Solution

The fourth proportional to 2,585,186.05, 3,878,360.54 and 788,251.17 is: 1,182,554.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,186.05 : 3,878,360.54 = 788,251.17 : x
  2. Step 2: Convert to fraction form
    2,585,186.05/3,878,360.54 = 788,251.17/x
  3. Step 3: Cross multiply
    2,585,186.05x = 3,878,360.54 × 788,251.17
  4. Step 4: Simplify right side
    2,585,186.05x = 3,057,122,233,336.83
  5. Step 5: Solve for x
    x = 3,057,122,233,336.83/2,585,186.05
  6. Step 6: Final answer
    x = 1,182,554.05

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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.