Home / 2,608,879.12-3,913,339.52-1,071,478.42

Finding the Fourth Proportional to 2,608,879.12, 3,913,339.52 and 1,071,478.42

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Solution

The fourth proportional to 2,608,879.12, 3,913,339.52 and 1,071,478.42 is: 1,607,226.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608,879.12 : 3,913,339.52 = 1,071,478.42 : x
  2. Step 2: Convert to fraction form
    2,608,879.12/3,913,339.52 = 1,071,478.42/x
  3. Step 3: Cross multiply
    2,608,879.12x = 3,913,339.52 × 1,071,478.42
  4. Step 4: Simplify right side
    2,608,879.12x = 4,193,058,845,813.16
  5. Step 5: Solve for x
    x = 4,193,058,845,813.16/2,608,879.12
  6. Step 6: Final answer
    x = 1,607,226.19

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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.