Home / 3,112,744.78-4,294,856.46-1,889,023

Finding the Fourth Proportional to 3,112,744.78, 4,294,856.46 and 1,889,023

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Solution

The fourth proportional to 3,112,744.78, 4,294,856.46 and 1,889,023 is: 2,606,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,744.78 : 4,294,856.46 = 1,889,023 : x
  2. Step 2: Convert to fraction form
    3,112,744.78/4,294,856.46 = 1,889,023/x
  3. Step 3: Cross multiply
    3,112,744.78x = 4,294,856.46 × 1,889,023
  4. Step 4: Simplify right side
    3,112,744.78x = 8,113,082,634,638.58
  5. Step 5: Solve for x
    x = 8,113,082,634,638.58/3,112,744.78
  6. Step 6: Final answer
    x = 2,606,407.92

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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.