Home / 1,938,923.36-2,674,795.20-1,366,278.56

Finding the Fourth Proportional to 1,938,923.36, 2,674,795.20 and 1,366,278.56

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Solution

The fourth proportional to 1,938,923.36, 2,674,795.20 and 1,366,278.56 is: 1,884,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,923.36 : 2,674,795.20 = 1,366,278.56 : x
  2. Step 2: Convert to fraction form
    1,938,923.36/2,674,795.20 = 1,366,278.56/x
  3. Step 3: Cross multiply
    1,938,923.36x = 2,674,795.20 × 1,366,278.56
  4. Step 4: Simplify right side
    1,938,923.36x = 3,654,515,334,150.91
  5. Step 5: Solve for x
    x = 3,654,515,334,150.91/1,938,923.36
  6. Step 6: Final answer
    x = 1,884,816.81

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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.