Home / 1,932,218.12-2,666,544.28-1,072,778.42

Finding the Fourth Proportional to 1,932,218.12, 2,666,544.28 and 1,072,778.42

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Solution

The fourth proportional to 1,932,218.12, 2,666,544.28 and 1,072,778.42 is: 1,480,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,218.12 : 2,666,544.28 = 1,072,778.42 : x
  2. Step 2: Convert to fraction form
    1,932,218.12/2,666,544.28 = 1,072,778.42/x
  3. Step 3: Cross multiply
    1,932,218.12x = 2,666,544.28 × 1,072,778.42
  4. Step 4: Simplify right side
    1,932,218.12x = 2,860,611,159,558.44
  5. Step 5: Solve for x
    x = 2,860,611,159,558.44/1,932,218.12
  6. Step 6: Final answer
    x = 1,480,480.45

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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.