Home / 2,021,189.44-2,789,224.32-1,115,752

Finding the Fourth Proportional to 2,021,189.44, 2,789,224.32 and 1,115,752

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Solution

The fourth proportional to 2,021,189.44, 2,789,224.32 and 1,115,752 is: 1,539,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,189.44 : 2,789,224.32 = 1,115,752 : x
  2. Step 2: Convert to fraction form
    2,021,189.44/2,789,224.32 = 1,115,752/x
  3. Step 3: Cross multiply
    2,021,189.44x = 2,789,224.32 × 1,115,752
  4. Step 4: Simplify right side
    2,021,189.44x = 3,112,082,613,488.64
  5. Step 5: Solve for x
    x = 3,112,082,613,488.64/2,021,189.44
  6. Step 6: Final answer
    x = 1,539,728.32

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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.