Home / 2,994,476.80-4,491,715.20-864,630.40

Finding the Fourth Proportional to 2,994,476.80, 4,491,715.20 and 864,630.40

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Solution

The fourth proportional to 2,994,476.80, 4,491,715.20 and 864,630.40 is: 1,296,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994,476.80 : 4,491,715.20 = 864,630.40 : x
  2. Step 2: Convert to fraction form
    2,994,476.80/4,491,715.20 = 864,630.40/x
  3. Step 3: Cross multiply
    2,994,476.80x = 4,491,715.20 × 864,630.40
  4. Step 4: Simplify right side
    2,994,476.80x = 3,883,673,510,062.08
  5. Step 5: Solve for x
    x = 3,883,673,510,062.08/2,994,476.80
  6. Step 6: Final answer
    x = 1,296,945.60

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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.