Home / 1,557,784.19-2,149,745.15-860,066.34

Finding the Fourth Proportional to 1,557,784.19, 2,149,745.15 and 860,066.34

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Solution

The fourth proportional to 1,557,784.19, 2,149,745.15 and 860,066.34 is: 1,186,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,784.19 : 2,149,745.15 = 860,066.34 : x
  2. Step 2: Convert to fraction form
    1,557,784.19/2,149,745.15 = 860,066.34/x
  3. Step 3: Cross multiply
    1,557,784.19x = 2,149,745.15 × 860,066.34
  4. Step 4: Simplify right side
    1,557,784.19x = 1,848,923,438,792.92
  5. Step 5: Solve for x
    x = 1,848,923,438,792.92/1,557,784.19
  6. Step 6: Final answer
    x = 1,186,893.19

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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.