Home / 1,931,252.76-2,665,172.58-1,071,868.38

Finding the Fourth Proportional to 1,931,252.76, 2,665,172.58 and 1,071,868.38

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Solution

The fourth proportional to 1,931,252.76, 2,665,172.58 and 1,071,868.38 is: 1,479,202.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,252.76 : 2,665,172.58 = 1,071,868.38 : x
  2. Step 2: Convert to fraction form
    1,931,252.76/2,665,172.58 = 1,071,868.38/x
  3. Step 3: Cross multiply
    1,931,252.76x = 2,665,172.58 × 1,071,868.38
  4. Step 4: Simplify right side
    1,931,252.76x = 2,856,714,215,745.02
  5. Step 5: Solve for x
    x = 2,856,714,215,745.02/1,931,252.76
  6. Step 6: Final answer
    x = 1,479,202.66

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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.