Home / 1,678,956.54-2,315,889.27-1,373,476.38

Finding the Fourth Proportional to 1,678,956.54, 2,315,889.27 and 1,373,476.38

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Solution

The fourth proportional to 1,678,956.54, 2,315,889.27 and 1,373,476.38 is: 1,894,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,956.54 : 2,315,889.27 = 1,373,476.38 : x
  2. Step 2: Convert to fraction form
    1,678,956.54/2,315,889.27 = 1,373,476.38/x
  3. Step 3: Cross multiply
    1,678,956.54x = 2,315,889.27 × 1,373,476.38
  4. Step 4: Simplify right side
    1,678,956.54x = 3,180,819,211,040.44
  5. Step 5: Solve for x
    x = 3,180,819,211,040.44/1,678,956.54
  6. Step 6: Final answer
    x = 1,894,521.47

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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.