Home / 2,397,278.78-3,308,345.27-1,378,684.34

Finding the Fourth Proportional to 2,397,278.78, 3,308,345.27 and 1,378,684.34

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Solution

The fourth proportional to 2,397,278.78, 3,308,345.27 and 1,378,684.34 is: 1,902,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397,278.78 : 3,308,345.27 = 1,378,684.34 : x
  2. Step 2: Convert to fraction form
    2,397,278.78/3,308,345.27 = 1,378,684.34/x
  3. Step 3: Cross multiply
    2,397,278.78x = 3,308,345.27 × 1,378,684.34
  4. Step 4: Simplify right side
    2,397,278.78x = 4,561,163,791,626.92
  5. Step 5: Solve for x
    x = 4,561,163,791,626.92/2,397,278.78
  6. Step 6: Final answer
    x = 1,902,642.21

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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.