Home / 3,191,591.85-4,789,938.87-1,655,023.88

Finding the Fourth Proportional to 3,191,591.85, 4,789,938.87 and 1,655,023.88

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Solution

The fourth proportional to 3,191,591.85, 4,789,938.87 and 1,655,023.88 is: 2,483,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,591.85 : 4,789,938.87 = 1,655,023.88 : x
  2. Step 2: Convert to fraction form
    3,191,591.85/4,789,938.87 = 1,655,023.88/x
  3. Step 3: Cross multiply
    3,191,591.85x = 4,789,938.87 × 1,655,023.88
  4. Step 4: Simplify right side
    3,191,591.85x = 7,927,463,185,502.96
  5. Step 5: Solve for x
    x = 7,927,463,185,502.96/3,191,591.85
  6. Step 6: Final answer
    x = 2,483,858.70

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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.