Home / 2,947,119.86-4,065,536.64-1,722,625.28

Finding the Fourth Proportional to 2,947,119.86, 4,065,536.64 and 1,722,625.28

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Solution

The fourth proportional to 2,947,119.86, 4,065,536.64 and 1,722,625.28 is: 2,376,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,119.86 : 4,065,536.64 = 1,722,625.28 : x
  2. Step 2: Convert to fraction form
    2,947,119.86/4,065,536.64 = 1,722,625.28/x
  3. Step 3: Cross multiply
    2,947,119.86x = 4,065,536.64 × 1,722,625.28
  4. Step 4: Simplify right side
    2,947,119.86x = 7,003,396,192,830.26
  5. Step 5: Solve for x
    x = 7,003,396,192,830.26/2,947,119.86
  6. Step 6: Final answer
    x = 2,376,352.69

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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.