Home / 2,555,999.80-3,833,999.70-782,841.40

Finding the Fourth Proportional to 2,555,999.80, 3,833,999.70 and 782,841.40

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Solution

The fourth proportional to 2,555,999.80, 3,833,999.70 and 782,841.40 is: 1,174,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555,999.80 : 3,833,999.70 = 782,841.40 : x
  2. Step 2: Convert to fraction form
    2,555,999.80/3,833,999.70 = 782,841.40/x
  3. Step 3: Cross multiply
    2,555,999.80x = 3,833,999.70 × 782,841.40
  4. Step 4: Simplify right side
    2,555,999.80x = 3,001,413,692,747.58
  5. Step 5: Solve for x
    x = 3,001,413,692,747.58/2,555,999.80
  6. Step 6: Final answer
    x = 1,174,262.10

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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.