Home / 1,947,617.19-2,921,338.13-1,308,190.34

Finding the Fourth Proportional to 1,947,617.19, 2,921,338.13 and 1,308,190.34

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Solution

The fourth proportional to 1,947,617.19, 2,921,338.13 and 1,308,190.34 is: 1,962,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,617.19 : 2,921,338.13 = 1,308,190.34 : x
  2. Step 2: Convert to fraction form
    1,947,617.19/2,921,338.13 = 1,308,190.34/x
  3. Step 3: Cross multiply
    1,947,617.19x = 2,921,338.13 × 1,308,190.34
  4. Step 4: Simplify right side
    1,947,617.19x = 3,821,666,310,203.45
  5. Step 5: Solve for x
    x = 3,821,666,310,203.45/1,947,617.19
  6. Step 6: Final answer
    x = 1,962,226.63

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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.