Home / 2,709,998.76-4,066,572.78-1,214,090.76

Finding the Fourth Proportional to 2,709,998.76, 4,066,572.78 and 1,214,090.76

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Solution

The fourth proportional to 2,709,998.76, 4,066,572.78 and 1,214,090.76 is: 1,821,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,998.76 : 4,066,572.78 = 1,214,090.76 : x
  2. Step 2: Convert to fraction form
    2,709,998.76/4,066,572.78 = 1,214,090.76/x
  3. Step 3: Cross multiply
    2,709,998.76x = 4,066,572.78 × 1,214,090.76
  4. Step 4: Simplify right side
    2,709,998.76x = 4,937,188,437,065.51
  5. Step 5: Solve for x
    x = 4,937,188,437,065.51/2,709,998.76
  6. Step 6: Final answer
    x = 1,821,841.59

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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.