Home / 2,758,980.04-4,138,645.02-865,796.20

Finding the Fourth Proportional to 2,758,980.04, 4,138,645.02 and 865,796.20

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Solution

The fourth proportional to 2,758,980.04, 4,138,645.02 and 865,796.20 is: 1,298,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,980.04 : 4,138,645.02 = 865,796.20 : x
  2. Step 2: Convert to fraction form
    2,758,980.04/4,138,645.02 = 865,796.20/x
  3. Step 3: Cross multiply
    2,758,980.04x = 4,138,645.02 × 865,796.20
  4. Step 4: Simplify right side
    2,758,980.04x = 3,583,223,131,464.92
  5. Step 5: Solve for x
    x = 3,583,223,131,464.92/2,758,980.04
  6. Step 6: Final answer
    x = 1,298,749.20

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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.