Home / 2,109,829.08-2,911,556.96-1,142,958.28

Finding the Fourth Proportional to 2,109,829.08, 2,911,556.96 and 1,142,958.28

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Solution

The fourth proportional to 2,109,829.08, 2,911,556.96 and 1,142,958.28 is: 1,577,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,829.08 : 2,911,556.96 = 1,142,958.28 : x
  2. Step 2: Convert to fraction form
    2,109,829.08/2,911,556.96 = 1,142,958.28/x
  3. Step 3: Cross multiply
    2,109,829.08x = 2,911,556.96 × 1,142,958.28
  4. Step 4: Simplify right side
    2,109,829.08x = 3,327,788,135,123.63
  5. Step 5: Solve for x
    x = 3,327,788,135,123.63/2,109,829.08
  6. Step 6: Final answer
    x = 1,577,278.54

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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.