Home / 4,972,708.19-7,458,323.27-1,378,100.32

Finding the Fourth Proportional to 4,972,708.19, 7,458,323.27 and 1,378,100.32

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Solution

The fourth proportional to 4,972,708.19, 7,458,323.27 and 1,378,100.32 is: 2,066,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972,708.19 : 7,458,323.27 = 1,378,100.32 : x
  2. Step 2: Convert to fraction form
    4,972,708.19/7,458,323.27 = 1,378,100.32/x
  3. Step 3: Cross multiply
    4,972,708.19x = 7,458,323.27 × 1,378,100.32
  4. Step 4: Simplify right side
    4,972,708.19x = 10,278,317,659,514.13
  5. Step 5: Solve for x
    x = 10,278,317,659,514.13/4,972,708.19
  6. Step 6: Final answer
    x = 2,066,945.67

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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.