Home / 2,912,420.25-4,019,277.51-1,623,269.88

Finding the Fourth Proportional to 2,912,420.25, 4,019,277.51 and 1,623,269.88

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Solution

The fourth proportional to 2,912,420.25, 4,019,277.51 and 1,623,269.88 is: 2,240,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,420.25 : 4,019,277.51 = 1,623,269.88 : x
  2. Step 2: Convert to fraction form
    2,912,420.25/4,019,277.51 = 1,623,269.88/x
  3. Step 3: Cross multiply
    2,912,420.25x = 4,019,277.51 × 1,623,269.88
  4. Step 4: Simplify right side
    2,912,420.25x = 6,524,372,121,344.40
  5. Step 5: Solve for x
    x = 6,524,372,121,344.40/2,912,420.25
  6. Step 6: Final answer
    x = 2,240,189.11

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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.