Home / 2,477,090.62-3,418,111.68-1,389,138.28

Finding the Fourth Proportional to 2,477,090.62, 3,418,111.68 and 1,389,138.28

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Solution

The fourth proportional to 2,477,090.62, 3,418,111.68 and 1,389,138.28 is: 1,916,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477,090.62 : 3,418,111.68 = 1,389,138.28 : x
  2. Step 2: Convert to fraction form
    2,477,090.62/3,418,111.68 = 1,389,138.28/x
  3. Step 3: Cross multiply
    2,477,090.62x = 3,418,111.68 × 1,389,138.28
  4. Step 4: Simplify right side
    2,477,090.62x = 4,748,229,780,003.11
  5. Step 5: Solve for x
    x = 4,748,229,780,003.11/2,477,090.62
  6. Step 6: Final answer
    x = 1,916,857.52

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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.