Home / 2,880,514.64-4,321,933.80-1,281,984.39

Finding the Fourth Proportional to 2,880,514.64, 4,321,933.80 and 1,281,984.39

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Solution

The fourth proportional to 2,880,514.64, 4,321,933.80 and 1,281,984.39 is: 1,923,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,514.64 : 4,321,933.80 = 1,281,984.39 : x
  2. Step 2: Convert to fraction form
    2,880,514.64/4,321,933.80 = 1,281,984.39/x
  3. Step 3: Cross multiply
    2,880,514.64x = 4,321,933.80 × 1,281,984.39
  4. Step 4: Simplify right side
    2,880,514.64x = 5,540,651,666,213.38
  5. Step 5: Solve for x
    x = 5,540,651,666,213.38/2,880,514.64
  6. Step 6: Final answer
    x = 1,923,493.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.