Home / 3,138,561.70-4,707,842.55-1,008,861.10

Finding the Fourth Proportional to 3,138,561.70, 4,707,842.55 and 1,008,861.10

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Solution

The fourth proportional to 3,138,561.70, 4,707,842.55 and 1,008,861.10 is: 1,513,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,561.70 : 4,707,842.55 = 1,008,861.10 : x
  2. Step 2: Convert to fraction form
    3,138,561.70/4,707,842.55 = 1,008,861.10/x
  3. Step 3: Cross multiply
    3,138,561.70x = 4,707,842.55 × 1,008,861.10
  4. Step 4: Simplify right side
    3,138,561.70x = 4,749,559,213,619.81
  5. Step 5: Solve for x
    x = 4,749,559,213,619.81/3,138,561.70
  6. Step 6: Final answer
    x = 1,513,291.65

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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.