Home / 1,555,505.76-2,341,662.12-1,399,087.44

Finding the Fourth Proportional to 1,555,505.76, 2,341,662.12 and 1,399,087.44

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Solution

The fourth proportional to 1,555,505.76, 2,341,662.12 and 1,399,087.44 is: 2,106,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,505.76 : 2,341,662.12 = 1,399,087.44 : x
  2. Step 2: Convert to fraction form
    1,555,505.76/2,341,662.12 = 1,399,087.44/x
  3. Step 3: Cross multiply
    1,555,505.76x = 2,341,662.12 × 1,399,087.44
  4. Step 4: Simplify right side
    1,555,505.76x = 3,276,190,060,815.77
  5. Step 5: Solve for x
    x = 3,276,190,060,815.77/1,555,505.76
  6. Step 6: Final answer
    x = 2,106,189.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.