Home / 2,331,331.40-3,497,112.30-1,211,587.40

Finding the Fourth Proportional to 2,331,331.40, 3,497,112.30 and 1,211,587.40

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Solution

The fourth proportional to 2,331,331.40, 3,497,112.30 and 1,211,587.40 is: 1,817,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331,331.40 : 3,497,112.30 = 1,211,587.40 : x
  2. Step 2: Convert to fraction form
    2,331,331.40/3,497,112.30 = 1,211,587.40/x
  3. Step 3: Cross multiply
    2,331,331.40x = 3,497,112.30 × 1,211,587.40
  4. Step 4: Simplify right side
    2,331,331.40x = 4,237,057,199,065.02
  5. Step 5: Solve for x
    x = 4,237,057,199,065.02/2,331,331.40
  6. Step 6: Final answer
    x = 1,817,440.97

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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.