Home / 1,572,578-2,170,158.60-857,186

Finding the Fourth Proportional to 1,572,578, 2,170,158.60 and 857,186

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Solution

The fourth proportional to 1,572,578, 2,170,158.60 and 857,186 is: 1,182,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,578 : 2,170,158.60 = 857,186 : x
  2. Step 2: Convert to fraction form
    1,572,578/2,170,158.60 = 857,186/x
  3. Step 3: Cross multiply
    1,572,578x = 2,170,158.60 × 857,186
  4. Step 4: Simplify right side
    1,572,578x = 1,860,229,569,699.60
  5. Step 5: Solve for x
    x = 1,860,229,569,699.60/1,572,578
  6. Step 6: Final answer
    x = 1,182,917.20

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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.