Home / 1,931,438.06-2,665,168.35-1,072,034.54

Finding the Fourth Proportional to 1,931,438.06, 2,665,168.35 and 1,072,034.54

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Solution

The fourth proportional to 1,931,438.06, 2,665,168.35 and 1,072,034.54 is: 1,479,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,438.06 : 2,665,168.35 = 1,072,034.54 : x
  2. Step 2: Convert to fraction form
    1,931,438.06/2,665,168.35 = 1,072,034.54/x
  3. Step 3: Cross multiply
    1,931,438.06x = 2,665,168.35 × 1,072,034.54
  4. Step 4: Simplify right side
    1,931,438.06x = 2,857,152,526,114.81
  5. Step 5: Solve for x
    x = 2,857,152,526,114.81/1,931,438.06
  6. Step 6: Final answer
    x = 1,479,287.68

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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.