Home / 2,378,632.36-3,282,514.38-1,290,903.64

Finding the Fourth Proportional to 2,378,632.36, 3,282,514.38 and 1,290,903.64

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Solution

The fourth proportional to 2,378,632.36, 3,282,514.38 and 1,290,903.64 is: 1,781,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,632.36 : 3,282,514.38 = 1,290,903.64 : x
  2. Step 2: Convert to fraction form
    2,378,632.36/3,282,514.38 = 1,290,903.64/x
  3. Step 3: Cross multiply
    2,378,632.36x = 3,282,514.38 × 1,290,903.64
  4. Step 4: Simplify right side
    2,378,632.36x = 4,237,409,761,494.34
  5. Step 5: Solve for x
    x = 4,237,409,761,494.34/2,378,632.36
  6. Step 6: Final answer
    x = 1,781,447.96

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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.