Home / 2,912,461.36-4,019,215.32-1,623,383.48

Finding the Fourth Proportional to 2,912,461.36, 4,019,215.32 and 1,623,383.48

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Solution

The fourth proportional to 2,912,461.36, 4,019,215.32 and 1,623,383.48 is: 2,240,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,461.36 : 4,019,215.32 = 1,623,383.48 : x
  2. Step 2: Convert to fraction form
    2,912,461.36/4,019,215.32 = 1,623,383.48/x
  3. Step 3: Cross multiply
    2,912,461.36x = 4,019,215.32 × 1,623,383.48
  4. Step 4: Simplify right side
    2,912,461.36x = 6,524,727,753,050.91
  5. Step 5: Solve for x
    x = 6,524,727,753,050.91/2,912,461.36
  6. Step 6: Final answer
    x = 2,240,279.59

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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.