Home / 2,170,204.56-2,994,607.02-1,189,885.62

Finding the Fourth Proportional to 2,170,204.56, 2,994,607.02 and 1,189,885.62

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Solution

The fourth proportional to 2,170,204.56, 2,994,607.02 and 1,189,885.62 is: 1,641,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,204.56 : 2,994,607.02 = 1,189,885.62 : x
  2. Step 2: Convert to fraction form
    2,170,204.56/2,994,607.02 = 1,189,885.62/x
  3. Step 3: Cross multiply
    2,170,204.56x = 2,994,607.02 × 1,189,885.62
  4. Step 4: Simplify right side
    2,170,204.56x = 3,563,239,837,918.57
  5. Step 5: Solve for x
    x = 3,563,239,837,918.57/2,170,204.56
  6. Step 6: Final answer
    x = 1,641,891.23

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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.