Home / 3,056,656.80-4,218,230.04-1,680,127.80

Finding the Fourth Proportional to 3,056,656.80, 4,218,230.04 and 1,680,127.80

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Solution

The fourth proportional to 3,056,656.80, 4,218,230.04 and 1,680,127.80 is: 2,318,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056,656.80 : 4,218,230.04 = 1,680,127.80 : x
  2. Step 2: Convert to fraction form
    3,056,656.80/4,218,230.04 = 1,680,127.80/x
  3. Step 3: Cross multiply
    3,056,656.80x = 4,218,230.04 × 1,680,127.80
  4. Step 4: Simplify right side
    3,056,656.80x = 7,087,165,556,999.11
  5. Step 5: Solve for x
    x = 7,087,165,556,999.11/3,056,656.80
  6. Step 6: Final answer
    x = 2,318,600.36

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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.