Home / 2,860,015.08-3,945,860.28-1,619,456.34

Finding the Fourth Proportional to 2,860,015.08, 3,945,860.28 and 1,619,456.34

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Solution

The fourth proportional to 2,860,015.08, 3,945,860.28 and 1,619,456.34 is: 2,234,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,015.08 : 3,945,860.28 = 1,619,456.34 : x
  2. Step 2: Convert to fraction form
    2,860,015.08/3,945,860.28 = 1,619,456.34/x
  3. Step 3: Cross multiply
    2,860,015.08x = 3,945,860.28 × 1,619,456.34
  4. Step 4: Simplify right side
    2,860,015.08x = 6,390,148,447,200.18
  5. Step 5: Solve for x
    x = 6,390,148,447,200.18/2,860,015.08
  6. Step 6: Final answer
    x = 2,234,305.86

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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.