Home / 2,905,856.64-4,359,765.87-1,286,402.11

Finding the Fourth Proportional to 2,905,856.64, 4,359,765.87 and 1,286,402.11

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Solution

The fourth proportional to 2,905,856.64, 4,359,765.87 and 1,286,402.11 is: 1,930,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,856.64 : 4,359,765.87 = 1,286,402.11 : x
  2. Step 2: Convert to fraction form
    2,905,856.64/4,359,765.87 = 1,286,402.11/x
  3. Step 3: Cross multiply
    2,905,856.64x = 4,359,765.87 × 1,286,402.11
  4. Step 4: Simplify right side
    2,905,856.64x = 5,608,412,003,374.57
  5. Step 5: Solve for x
    x = 5,608,412,003,374.57/2,905,856.64
  6. Step 6: Final answer
    x = 1,930,037.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.