Home / 3,171,926.09-4,377,247.08-1,721,621.45

Finding the Fourth Proportional to 3,171,926.09, 4,377,247.08 and 1,721,621.45

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Solution

The fourth proportional to 3,171,926.09, 4,377,247.08 and 1,721,621.45 is: 2,375,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,926.09 : 4,377,247.08 = 1,721,621.45 : x
  2. Step 2: Convert to fraction form
    3,171,926.09/4,377,247.08 = 1,721,621.45/x
  3. Step 3: Cross multiply
    3,171,926.09x = 4,377,247.08 × 1,721,621.45
  4. Step 4: Simplify right side
    3,171,926.09x = 7,535,962,464,877.87
  5. Step 5: Solve for x
    x = 7,535,962,464,877.87/3,171,926.09
  6. Step 6: Final answer
    x = 2,375,831.67

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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.