Home / 1,848,501.45-2,768,086.58-1,213,979.85

Finding the Fourth Proportional to 1,848,501.45, 2,768,086.58 and 1,213,979.85

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Solution

The fourth proportional to 1,848,501.45, 2,768,086.58 and 1,213,979.85 is: 1,817,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,501.45 : 2,768,086.58 = 1,213,979.85 : x
  2. Step 2: Convert to fraction form
    1,848,501.45/2,768,086.58 = 1,213,979.85/x
  3. Step 3: Cross multiply
    1,848,501.45x = 2,768,086.58 × 1,213,979.85
  4. Step 4: Simplify right side
    1,848,501.45x = 3,360,401,325,105.51
  5. Step 5: Solve for x
    x = 3,360,401,325,105.51/1,848,501.45
  6. Step 6: Final answer
    x = 1,817,905.70

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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.