Home / 1,909,423.76-2,634,933.96-1,049,932.88

Finding the Fourth Proportional to 1,909,423.76, 2,634,933.96 and 1,049,932.88

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Solution

The fourth proportional to 1,909,423.76, 2,634,933.96 and 1,049,932.88 is: 1,448,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,423.76 : 2,634,933.96 = 1,049,932.88 : x
  2. Step 2: Convert to fraction form
    1,909,423.76/2,634,933.96 = 1,049,932.88/x
  3. Step 3: Cross multiply
    1,909,423.76x = 2,634,933.96 × 1,049,932.88
  4. Step 4: Simplify right side
    1,909,423.76x = 2,766,503,801,232.60
  5. Step 5: Solve for x
    x = 2,766,503,801,232.60/1,909,423.76
  6. Step 6: Final answer
    x = 1,448,868.43

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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.