Home / 2,994,736.80-4,492,105.20-864,890.40

Finding the Fourth Proportional to 2,994,736.80, 4,492,105.20 and 864,890.40

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Solution

The fourth proportional to 2,994,736.80, 4,492,105.20 and 864,890.40 is: 1,297,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994,736.80 : 4,492,105.20 = 864,890.40 : x
  2. Step 2: Convert to fraction form
    2,994,736.80/4,492,105.20 = 864,890.40/x
  3. Step 3: Cross multiply
    2,994,736.80x = 4,492,105.20 × 864,890.40
  4. Step 4: Simplify right side
    2,994,736.80x = 3,885,178,663,270.08
  5. Step 5: Solve for x
    x = 3,885,178,663,270.08/2,994,736.80
  6. Step 6: Final answer
    x = 1,297,335.60

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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.