Home / 3,112,889.60-4,295,056-1,889,168

Finding the Fourth Proportional to 3,112,889.60, 4,295,056 and 1,889,168

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Solution

The fourth proportional to 3,112,889.60, 4,295,056 and 1,889,168 is: 2,606,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,889.60 : 4,295,056 = 1,889,168 : x
  2. Step 2: Convert to fraction form
    3,112,889.60/4,295,056 = 1,889,168/x
  3. Step 3: Cross multiply
    3,112,889.60x = 4,295,056 × 1,889,168
  4. Step 4: Simplify right side
    3,112,889.60x = 8,114,082,353,408
  5. Step 5: Solve for x
    x = 8,114,082,353,408/3,112,889.60
  6. Step 6: Final answer
    x = 2,606,607.81

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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.