Home / 2,092,215.80-3,138,323.70-672,415.40

Finding the Fourth Proportional to 2,092,215.80, 3,138,323.70 and 672,415.40

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Solution

The fourth proportional to 2,092,215.80, 3,138,323.70 and 672,415.40 is: 1,008,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092,215.80 : 3,138,323.70 = 672,415.40 : x
  2. Step 2: Convert to fraction form
    2,092,215.80/3,138,323.70 = 672,415.40/x
  3. Step 3: Cross multiply
    2,092,215.80x = 3,138,323.70 × 672,415.40
  4. Step 4: Simplify right side
    2,092,215.80x = 2,110,257,186,064.98
  5. Step 5: Solve for x
    x = 2,110,257,186,064.98/2,092,215.80
  6. Step 6: Final answer
    x = 1,008,623.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.