Home / 3,190,879.66-4,403,442.06-1,740,581.54

Finding the Fourth Proportional to 3,190,879.66, 4,403,442.06 and 1,740,581.54

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Solution

The fourth proportional to 3,190,879.66, 4,403,442.06 and 1,740,581.54 is: 2,402,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,879.66 : 4,403,442.06 = 1,740,581.54 : x
  2. Step 2: Convert to fraction form
    3,190,879.66/4,403,442.06 = 1,740,581.54/x
  3. Step 3: Cross multiply
    3,190,879.66x = 4,403,442.06 × 1,740,581.54
  4. Step 4: Simplify right side
    3,190,879.66x = 7,664,549,962,095.57
  5. Step 5: Solve for x
    x = 7,664,549,962,095.57/3,190,879.66
  6. Step 6: Final answer
    x = 2,402,017.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.