Home / 2,405,109.70-3,319,052.79-1,317,399.45

Finding the Fourth Proportional to 2,405,109.70, 3,319,052.79 and 1,317,399.45

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Solution

The fourth proportional to 2,405,109.70, 3,319,052.79 and 1,317,399.45 is: 1,818,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,109.70 : 3,319,052.79 = 1,317,399.45 : x
  2. Step 2: Convert to fraction form
    2,405,109.70/3,319,052.79 = 1,317,399.45/x
  3. Step 3: Cross multiply
    2,405,109.70x = 3,319,052.79 × 1,317,399.45
  4. Step 4: Simplify right side
    2,405,109.70x = 4,372,518,320,066.97
  5. Step 5: Solve for x
    x = 4,372,518,320,066.97/2,405,109.70
  6. Step 6: Final answer
    x = 1,818,012.01

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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.