Home / 2,912,456.48-4,019,208.60-1,623,378.60

Finding the Fourth Proportional to 2,912,456.48, 4,019,208.60 and 1,623,378.60

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Solution

The fourth proportional to 2,912,456.48, 4,019,208.60 and 1,623,378.60 is: 2,240,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,456.48 : 4,019,208.60 = 1,623,378.60 : x
  2. Step 2: Convert to fraction form
    2,912,456.48/4,019,208.60 = 1,623,378.60/x
  3. Step 3: Cross multiply
    2,912,456.48x = 4,019,208.60 × 1,623,378.60
  4. Step 4: Simplify right side
    2,912,456.48x = 6,524,697,230,175.96
  5. Step 5: Solve for x
    x = 6,524,697,230,175.96/2,912,456.48
  6. Step 6: Final answer
    x = 2,240,272.87

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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.