Home / 2,912,387.88-4,019,114-1,623,310.16

Finding the Fourth Proportional to 2,912,387.88, 4,019,114 and 1,623,310.16

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Solution

The fourth proportional to 2,912,387.88, 4,019,114 and 1,623,310.16 is: 2,240,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,387.88 : 4,019,114 = 1,623,310.16 : x
  2. Step 2: Convert to fraction form
    2,912,387.88/4,019,114 = 1,623,310.16/x
  3. Step 3: Cross multiply
    2,912,387.88x = 4,019,114 × 1,623,310.16
  4. Step 4: Simplify right side
    2,912,387.88x = 6,524,268,590,398.24
  5. Step 5: Solve for x
    x = 6,524,268,590,398.24/2,912,387.88
  6. Step 6: Final answer
    x = 2,240,178.46

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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.