Home / 2,919,511.20-4,379,266.80-1,026,006.60

Finding the Fourth Proportional to 2,919,511.20, 4,379,266.80 and 1,026,006.60

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Solution

The fourth proportional to 2,919,511.20, 4,379,266.80 and 1,026,006.60 is: 1,539,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,511.20 : 4,379,266.80 = 1,026,006.60 : x
  2. Step 2: Convert to fraction form
    2,919,511.20/4,379,266.80 = 1,026,006.60/x
  3. Step 3: Cross multiply
    2,919,511.20x = 4,379,266.80 × 1,026,006.60
  4. Step 4: Simplify right side
    2,919,511.20x = 4,493,156,639,960.88
  5. Step 5: Solve for x
    x = 4,493,156,639,960.88/2,919,511.20
  6. Step 6: Final answer
    x = 1,539,009.90

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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.