Home / 3,907,856.86-5,393,014.36-2,165,521.34

Finding the Fourth Proportional to 3,907,856.86, 5,393,014.36 and 2,165,521.34

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Solution

The fourth proportional to 3,907,856.86, 5,393,014.36 and 2,165,521.34 is: 2,988,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,856.86 : 5,393,014.36 = 2,165,521.34 : x
  2. Step 2: Convert to fraction form
    3,907,856.86/5,393,014.36 = 2,165,521.34/x
  3. Step 3: Cross multiply
    3,907,856.86x = 5,393,014.36 × 2,165,521.34
  4. Step 4: Simplify right side
    3,907,856.86x = 11,678,687,683,506.44
  5. Step 5: Solve for x
    x = 11,678,687,683,506.44/3,907,856.86
  6. Step 6: Final answer
    x = 2,988,514.70

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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.