Home / 2,261,558.40-3,120,914.37-1,242,941.28

Finding the Fourth Proportional to 2,261,558.40, 3,120,914.37 and 1,242,941.28

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Solution

The fourth proportional to 2,261,558.40, 3,120,914.37 and 1,242,941.28 is: 1,715,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,558.40 : 3,120,914.37 = 1,242,941.28 : x
  2. Step 2: Convert to fraction form
    2,261,558.40/3,120,914.37 = 1,242,941.28/x
  3. Step 3: Cross multiply
    2,261,558.40x = 3,120,914.37 × 1,242,941.28
  4. Step 4: Simplify right side
    2,261,558.40x = 3,879,113,301,818.19
  5. Step 5: Solve for x
    x = 3,879,113,301,818.19/2,261,558.40
  6. Step 6: Final answer
    x = 1,715,239.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.