Home / 2,878,504.56-4,317,004.08-856,203.84

Finding the Fourth Proportional to 2,878,504.56, 4,317,004.08 and 856,203.84

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Solution

The fourth proportional to 2,878,504.56, 4,317,004.08 and 856,203.84 is: 1,284,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,504.56 : 4,317,004.08 = 856,203.84 : x
  2. Step 2: Convert to fraction form
    2,878,504.56/4,317,004.08 = 856,203.84/x
  3. Step 3: Cross multiply
    2,878,504.56x = 4,317,004.08 × 856,203.84
  4. Step 4: Simplify right side
    2,878,504.56x = 3,696,235,470,591.67
  5. Step 5: Solve for x
    x = 3,696,235,470,591.67/2,878,504.56
  6. Step 6: Final answer
    x = 1,284,081.85

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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.