Home / 6,638,945.37-9,161,529.76-3,810,457.52

Finding the Fourth Proportional to 6,638,945.37, 9,161,529.76 and 3,810,457.52

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Solution

The fourth proportional to 6,638,945.37, 9,161,529.76 and 3,810,457.52 is: 5,258,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,945.37 : 9,161,529.76 = 3,810,457.52 : x
  2. Step 2: Convert to fraction form
    6,638,945.37/9,161,529.76 = 3,810,457.52/x
  3. Step 3: Cross multiply
    6,638,945.37x = 9,161,529.76 × 3,810,457.52
  4. Step 4: Simplify right side
    6,638,945.37x = 34,909,619,968,695.79
  5. Step 5: Solve for x
    x = 34,909,619,968,695.79/6,638,945.37
  6. Step 6: Final answer
    x = 5,258,308.06

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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.