Home / 3,084,879.87-4,257,131.51-1,708,223.51

Finding the Fourth Proportional to 3,084,879.87, 4,257,131.51 and 1,708,223.51

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Solution

The fourth proportional to 3,084,879.87, 4,257,131.51 and 1,708,223.51 is: 2,357,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084,879.87 : 4,257,131.51 = 1,708,223.51 : x
  2. Step 2: Convert to fraction form
    3,084,879.87/4,257,131.51 = 1,708,223.51/x
  3. Step 3: Cross multiply
    3,084,879.87x = 4,257,131.51 × 1,708,223.51
  4. Step 4: Simplify right side
    3,084,879.87x = 7,272,132,145,457.19
  5. Step 5: Solve for x
    x = 7,272,132,145,457.19/3,084,879.87
  6. Step 6: Final answer
    x = 2,357,346.95

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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.