Home / 2,912,459.36-4,019,212.56-1,623,381.48

Finding the Fourth Proportional to 2,912,459.36, 4,019,212.56 and 1,623,381.48

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Solution

The fourth proportional to 2,912,459.36, 4,019,212.56 and 1,623,381.48 is: 2,240,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,459.36 : 4,019,212.56 = 1,623,381.48 : x
  2. Step 2: Convert to fraction form
    2,912,459.36/4,019,212.56 = 1,623,381.48/x
  3. Step 3: Cross multiply
    2,912,459.36x = 4,019,212.56 × 1,623,381.48
  4. Step 4: Simplify right side
    2,912,459.36x = 6,524,715,234,087.39
  5. Step 5: Solve for x
    x = 6,524,715,234,087.39/2,912,459.36
  6. Step 6: Final answer
    x = 2,240,276.83

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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.