Home / 2,160,653.22-3,240,910.10-644,348.74

Finding the Fourth Proportional to 2,160,653.22, 3,240,910.10 and 644,348.74

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Solution

The fourth proportional to 2,160,653.22, 3,240,910.10 and 644,348.74 is: 966,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,653.22 : 3,240,910.10 = 644,348.74 : x
  2. Step 2: Convert to fraction form
    2,160,653.22/3,240,910.10 = 644,348.74/x
  3. Step 3: Cross multiply
    2,160,653.22x = 3,240,910.10 × 644,348.74
  4. Step 4: Simplify right side
    2,160,653.22x = 2,088,276,339,388.27
  5. Step 5: Solve for x
    x = 2,088,276,339,388.27/2,160,653.22
  6. Step 6: Final answer
    x = 966,502.32

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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.