Home / 3,212,321.89-4,818,940.73-1,053,515.90

Finding the Fourth Proportional to 3,212,321.89, 4,818,940.73 and 1,053,515.90

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Solution

The fourth proportional to 3,212,321.89, 4,818,940.73 and 1,053,515.90 is: 1,580,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,321.89 : 4,818,940.73 = 1,053,515.90 : x
  2. Step 2: Convert to fraction form
    3,212,321.89/4,818,940.73 = 1,053,515.90/x
  3. Step 3: Cross multiply
    3,212,321.89x = 4,818,940.73 × 1,053,515.90
  4. Step 4: Simplify right side
    3,212,321.89x = 5,076,830,690,943.06
  5. Step 5: Solve for x
    x = 5,076,830,690,943.06/3,212,321.89
  6. Step 6: Final answer
    x = 1,580,424.03

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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.