Home / 3,056,658.80-4,218,232.80-1,680,129.80

Finding the Fourth Proportional to 3,056,658.80, 4,218,232.80 and 1,680,129.80

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Solution

The fourth proportional to 3,056,658.80, 4,218,232.80 and 1,680,129.80 is: 2,318,603.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056,658.80 : 4,218,232.80 = 1,680,129.80 : x
  2. Step 2: Convert to fraction form
    3,056,658.80/4,218,232.80 = 1,680,129.80/x
  3. Step 3: Cross multiply
    3,056,658.80x = 4,218,232.80 × 1,680,129.80
  4. Step 4: Simplify right side
    3,056,658.80x = 7,087,178,630,617.44
  5. Step 5: Solve for x
    x = 7,087,178,630,617.44/3,056,658.80
  6. Step 6: Final answer
    x = 2,318,603.12

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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.