Home / 4,812,380-6,641,086-2,636,905.48

Finding the Fourth Proportional to 4,812,380, 6,641,086 and 2,636,905.48

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Solution

The fourth proportional to 4,812,380, 6,641,086 and 2,636,905.48 is: 3,638,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,380 : 6,641,086 = 2,636,905.48 : x
  2. Step 2: Convert to fraction form
    4,812,380/6,641,086 = 2,636,905.48/x
  3. Step 3: Cross multiply
    4,812,380x = 6,641,086 × 2,636,905.48
  4. Step 4: Simplify right side
    4,812,380x = 17,511,916,066,551.28
  5. Step 5: Solve for x
    x = 17,511,916,066,551.28/4,812,380
  6. Step 6: Final answer
    x = 3,638,930.44

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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.