Home / 2,177,243.85-3,004,699.06-1,210,390.29

Finding the Fourth Proportional to 2,177,243.85, 3,004,699.06 and 1,210,390.29

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Solution

The fourth proportional to 2,177,243.85, 3,004,699.06 and 1,210,390.29 is: 1,670,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,243.85 : 3,004,699.06 = 1,210,390.29 : x
  2. Step 2: Convert to fraction form
    2,177,243.85/3,004,699.06 = 1,210,390.29/x
  3. Step 3: Cross multiply
    2,177,243.85x = 3,004,699.06 × 1,210,390.29
  4. Step 4: Simplify right side
    2,177,243.85x = 3,636,858,571,081.90
  5. Step 5: Solve for x
    x = 3,636,858,571,081.90/2,177,243.85
  6. Step 6: Final answer
    x = 1,670,395.61

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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.