Home / 2,112,220.48-3,167,065.45-672,281.91

Finding the Fourth Proportional to 2,112,220.48, 3,167,065.45 and 672,281.91

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Solution

The fourth proportional to 2,112,220.48, 3,167,065.45 and 672,281.91 is: 1,008,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,220.48 : 3,167,065.45 = 672,281.91 : x
  2. Step 2: Convert to fraction form
    2,112,220.48/3,167,065.45 = 672,281.91/x
  3. Step 3: Cross multiply
    2,112,220.48x = 3,167,065.45 × 672,281.91
  4. Step 4: Simplify right side
    2,112,220.48x = 2,129,160,809,821.01
  5. Step 5: Solve for x
    x = 2,129,160,809,821.01/2,112,220.48
  6. Step 6: Final answer
    x = 1,008,020.15

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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.