Home / 2,995,618.80-4,493,428.20-1,198,779.60

Finding the Fourth Proportional to 2,995,618.80, 4,493,428.20 and 1,198,779.60

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Solution

The fourth proportional to 2,995,618.80, 4,493,428.20 and 1,198,779.60 is: 1,798,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995,618.80 : 4,493,428.20 = 1,198,779.60 : x
  2. Step 2: Convert to fraction form
    2,995,618.80/4,493,428.20 = 1,198,779.60/x
  3. Step 3: Cross multiply
    2,995,618.80x = 4,493,428.20 × 1,198,779.60
  4. Step 4: Simplify right side
    2,995,618.80x = 5,386,630,060,224.72
  5. Step 5: Solve for x
    x = 5,386,630,060,224.72/2,995,618.80
  6. Step 6: Final answer
    x = 1,798,169.40

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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.