Home / 3,171,851.87-4,377,038.46-1,721,516.16

Finding the Fourth Proportional to 3,171,851.87, 4,377,038.46 and 1,721,516.16

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Solution

The fourth proportional to 3,171,851.87, 4,377,038.46 and 1,721,516.16 is: 2,375,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,851.87 : 4,377,038.46 = 1,721,516.16 : x
  2. Step 2: Convert to fraction form
    3,171,851.87/4,377,038.46 = 1,721,516.16/x
  3. Step 3: Cross multiply
    3,171,851.87x = 4,377,038.46 × 1,721,516.16
  4. Step 4: Simplify right side
    3,171,851.87x = 7,535,142,441,831.51
  5. Step 5: Solve for x
    x = 7,535,142,441,831.51/3,171,851.87
  6. Step 6: Final answer
    x = 2,375,628.73

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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.