Home / 2,758,984.04-4,138,651.02-865,800.20

Finding the Fourth Proportional to 2,758,984.04, 4,138,651.02 and 865,800.20

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Solution

The fourth proportional to 2,758,984.04, 4,138,651.02 and 865,800.20 is: 1,298,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,984.04 : 4,138,651.02 = 865,800.20 : x
  2. Step 2: Convert to fraction form
    2,758,984.04/4,138,651.02 = 865,800.20/x
  3. Step 3: Cross multiply
    2,758,984.04x = 4,138,651.02 × 865,800.20
  4. Step 4: Simplify right side
    2,758,984.04x = 3,583,244,880,846.20
  5. Step 5: Solve for x
    x = 3,583,244,880,846.20/2,758,984.04
  6. Step 6: Final answer
    x = 1,298,755.20

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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.