Home / 1,672,986.36-2,308,717.26-947,832.60

Finding the Fourth Proportional to 1,672,986.36, 2,308,717.26 and 947,832.60

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Solution

The fourth proportional to 1,672,986.36, 2,308,717.26 and 947,832.60 is: 1,308,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,986.36 : 2,308,717.26 = 947,832.60 : x
  2. Step 2: Convert to fraction form
    1,672,986.36/2,308,717.26 = 947,832.60/x
  3. Step 3: Cross multiply
    1,672,986.36x = 2,308,717.26 × 947,832.60
  4. Step 4: Simplify right side
    1,672,986.36x = 2,188,277,483,210.68
  5. Step 5: Solve for x
    x = 2,188,277,483,210.68/1,672,986.36
  6. Step 6: Final answer
    x = 1,308,006.77

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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.