Home / 2,180,916.50-3,009,519.77-1,214,021.93

Finding the Fourth Proportional to 2,180,916.50, 3,009,519.77 and 1,214,021.93

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Solution

The fourth proportional to 2,180,916.50, 3,009,519.77 and 1,214,021.93 is: 1,675,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,916.50 : 3,009,519.77 = 1,214,021.93 : x
  2. Step 2: Convert to fraction form
    2,180,916.50/3,009,519.77 = 1,214,021.93/x
  3. Step 3: Cross multiply
    2,180,916.50x = 3,009,519.77 × 1,214,021.93
  4. Step 4: Simplify right side
    2,180,916.50x = 3,653,622,978,430.85
  5. Step 5: Solve for x
    x = 3,653,622,978,430.85/2,180,916.50
  6. Step 6: Final answer
    x = 1,675,269.54

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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.