Home / 2,182,420.36-3,011,833.56-1,215,550.90

Finding the Fourth Proportional to 2,182,420.36, 3,011,833.56 and 1,215,550.90

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Solution

The fourth proportional to 2,182,420.36, 3,011,833.56 and 1,215,550.90 is: 1,677,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,420.36 : 3,011,833.56 = 1,215,550.90 : x
  2. Step 2: Convert to fraction form
    2,182,420.36/3,011,833.56 = 1,215,550.90/x
  3. Step 3: Cross multiply
    2,182,420.36x = 3,011,833.56 × 1,215,550.90
  4. Step 4: Simplify right side
    2,182,420.36x = 3,661,036,994,508.20
  5. Step 5: Solve for x
    x = 3,661,036,994,508.20/2,182,420.36
  6. Step 6: Final answer
    x = 1,677,512.30

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1.5x scale

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.