Home / 2,636,720.46-3,955,448.33-815,234.10

Finding the Fourth Proportional to 2,636,720.46, 3,955,448.33 and 815,234.10

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Solution

The fourth proportional to 2,636,720.46, 3,955,448.33 and 815,234.10 is: 1,222,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,720.46 : 3,955,448.33 = 815,234.10 : x
  2. Step 2: Convert to fraction form
    2,636,720.46/3,955,448.33 = 815,234.10/x
  3. Step 3: Cross multiply
    2,636,720.46x = 3,955,448.33 × 815,234.10
  4. Step 4: Simplify right side
    2,636,720.46x = 3,224,616,355,327.88
  5. Step 5: Solve for x
    x = 3,224,616,355,327.88/2,636,720.46
  6. Step 6: Final answer
    x = 1,222,964.82

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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.