Home / 3,028,887.67-4,180,317.38-1,942,386.07

Finding the Fourth Proportional to 3,028,887.67, 4,180,317.38 and 1,942,386.07

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Solution

The fourth proportional to 3,028,887.67, 4,180,317.38 and 1,942,386.07 is: 2,680,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028,887.67 : 4,180,317.38 = 1,942,386.07 : x
  2. Step 2: Convert to fraction form
    3,028,887.67/4,180,317.38 = 1,942,386.07/x
  3. Step 3: Cross multiply
    3,028,887.67x = 4,180,317.38 × 1,942,386.07
  4. Step 4: Simplify right side
    3,028,887.67x = 8,119,790,247,090.90
  5. Step 5: Solve for x
    x = 8,119,790,247,090.90/3,028,887.67
  6. Step 6: Final answer
    x = 2,680,782.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.