Home / 2,209,584.48-3,048,769.44-1,291,636.32

Finding the Fourth Proportional to 2,209,584.48, 3,048,769.44 and 1,291,636.32

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Solution

The fourth proportional to 2,209,584.48, 3,048,769.44 and 1,291,636.32 is: 1,782,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,584.48 : 3,048,769.44 = 1,291,636.32 : x
  2. Step 2: Convert to fraction form
    2,209,584.48/3,048,769.44 = 1,291,636.32/x
  3. Step 3: Cross multiply
    2,209,584.48x = 3,048,769.44 × 1,291,636.32
  4. Step 4: Simplify right side
    2,209,584.48x = 3,937,901,340,010.06
  5. Step 5: Solve for x
    x = 3,937,901,340,010.06/2,209,584.48
  6. Step 6: Final answer
    x = 1,782,190.89

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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.