Home / 3,056,491.12-4,218,052.80-1,679,809.90

Finding the Fourth Proportional to 3,056,491.12, 4,218,052.80 and 1,679,809.90

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Solution

The fourth proportional to 3,056,491.12, 4,218,052.80 and 1,679,809.90 is: 2,318,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056,491.12 : 4,218,052.80 = 1,679,809.90 : x
  2. Step 2: Convert to fraction form
    3,056,491.12/4,218,052.80 = 1,679,809.90/x
  3. Step 3: Cross multiply
    3,056,491.12x = 4,218,052.80 × 1,679,809.90
  4. Step 4: Simplify right side
    3,056,491.12x = 7,085,526,852,162.72
  5. Step 5: Solve for x
    x = 7,085,526,852,162.72/3,056,491.12
  6. Step 6: Final answer
    x = 2,318,189.90

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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.