Home / 3,400,278-4,692,383.64-1,872,381.48

Finding the Fourth Proportional to 3,400,278, 4,692,383.64 and 1,872,381.48

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Solution

The fourth proportional to 3,400,278, 4,692,383.64 and 1,872,381.48 is: 2,583,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400,278 : 4,692,383.64 = 1,872,381.48 : x
  2. Step 2: Convert to fraction form
    3,400,278/4,692,383.64 = 1,872,381.48/x
  3. Step 3: Cross multiply
    3,400,278x = 4,692,383.64 × 1,872,381.48
  4. Step 4: Simplify right side
    3,400,278x = 8,785,932,224,590.99
  5. Step 5: Solve for x
    x = 8,785,932,224,590.99/3,400,278
  6. Step 6: Final answer
    x = 2,583,886.44

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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.