Home / 3,121,571.37-4,308,316.65-1,815,227.67

Finding the Fourth Proportional to 3,121,571.37, 4,308,316.65 and 1,815,227.67

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Solution

The fourth proportional to 3,121,571.37, 4,308,316.65 and 1,815,227.67 is: 2,505,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,571.37 : 4,308,316.65 = 1,815,227.67 : x
  2. Step 2: Convert to fraction form
    3,121,571.37/4,308,316.65 = 1,815,227.67/x
  3. Step 3: Cross multiply
    3,121,571.37x = 4,308,316.65 × 1,815,227.67
  4. Step 4: Simplify right side
    3,121,571.37x = 7,820,575,594,201.71
  5. Step 5: Solve for x
    x = 7,820,575,594,201.71/3,121,571.37
  6. Step 6: Final answer
    x = 2,505,332.95

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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.