Home / 2,209,121.64-3,048,629.27-1,291,429.17

Finding the Fourth Proportional to 2,209,121.64, 3,048,629.27 and 1,291,429.17

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Solution

The fourth proportional to 2,209,121.64, 3,048,629.27 and 1,291,429.17 is: 1,782,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,121.64 : 3,048,629.27 = 1,291,429.17 : x
  2. Step 2: Convert to fraction form
    2,209,121.64/3,048,629.27 = 1,291,429.17/x
  3. Step 3: Cross multiply
    2,209,121.64x = 3,048,629.27 × 1,291,429.17
  4. Step 4: Simplify right side
    2,209,121.64x = 3,937,088,761,336.66
  5. Step 5: Solve for x
    x = 3,937,088,761,336.66/2,209,121.64
  6. Step 6: Final answer
    x = 1,782,196.46

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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.