Home / 2,830,006.80-4,245,010.20-1,934,211.60

Finding the Fourth Proportional to 2,830,006.80, 4,245,010.20 and 1,934,211.60

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Solution

The fourth proportional to 2,830,006.80, 4,245,010.20 and 1,934,211.60 is: 2,901,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,006.80 : 4,245,010.20 = 1,934,211.60 : x
  2. Step 2: Convert to fraction form
    2,830,006.80/4,245,010.20 = 1,934,211.60/x
  3. Step 3: Cross multiply
    2,830,006.80x = 4,245,010.20 × 1,934,211.60
  4. Step 4: Simplify right side
    2,830,006.80x = 8,210,747,970,958.32
  5. Step 5: Solve for x
    x = 8,210,747,970,958.32/2,830,006.80
  6. Step 6: Final answer
    x = 2,901,317.40

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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.