Home / 1,892,408.37-2,838,652.86-678,064.32

Finding the Fourth Proportional to 1,892,408.37, 2,838,652.86 and 678,064.32

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Solution

The fourth proportional to 1,892,408.37, 2,838,652.86 and 678,064.32 is: 1,017,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,408.37 : 2,838,652.86 = 678,064.32 : x
  2. Step 2: Convert to fraction form
    1,892,408.37/2,838,652.86 = 678,064.32/x
  3. Step 3: Cross multiply
    1,892,408.37x = 2,838,652.86 × 678,064.32
  4. Step 4: Simplify right side
    1,892,408.37x = 1,924,789,221,231.96
  5. Step 5: Solve for x
    x = 1,924,789,221,231.96/1,892,408.37
  6. Step 6: Final answer
    x = 1,017,110.92

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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.