Home / 3,180,729.80-4,390,931.68-1,958,083.34

Finding the Fourth Proportional to 3,180,729.80, 4,390,931.68 and 1,958,083.34

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Solution

The fourth proportional to 3,180,729.80, 4,390,931.68 and 1,958,083.34 is: 2,703,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,729.80 : 4,390,931.68 = 1,958,083.34 : x
  2. Step 2: Convert to fraction form
    3,180,729.80/4,390,931.68 = 1,958,083.34/x
  3. Step 3: Cross multiply
    3,180,729.80x = 4,390,931.68 × 1,958,083.34
  4. Step 4: Simplify right side
    3,180,729.80x = 8,597,810,184,001.33
  5. Step 5: Solve for x
    x = 8,597,810,184,001.33/3,180,729.80
  6. Step 6: Final answer
    x = 2,703,093.55

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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.