Home / 2,047,428.90-3,073,670.55-1,289,268.90

Finding the Fourth Proportional to 2,047,428.90, 3,073,670.55 and 1,289,268.90

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Solution

The fourth proportional to 2,047,428.90, 3,073,670.55 and 1,289,268.90 is: 1,935,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047,428.90 : 3,073,670.55 = 1,289,268.90 : x
  2. Step 2: Convert to fraction form
    2,047,428.90/3,073,670.55 = 1,289,268.90/x
  3. Step 3: Cross multiply
    2,047,428.90x = 3,073,670.55 × 1,289,268.90
  4. Step 4: Simplify right side
    2,047,428.90x = 3,962,787,848,960.89
  5. Step 5: Solve for x
    x = 3,962,787,848,960.89/2,047,428.90
  6. Step 6: Final answer
    x = 1,935,494.73

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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.