Home / 2,865,105.78-3,954,406.95-1,642,230.42

Finding the Fourth Proportional to 2,865,105.78, 3,954,406.95 and 1,642,230.42

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Solution

The fourth proportional to 2,865,105.78, 3,954,406.95 and 1,642,230.42 is: 2,266,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,105.78 : 3,954,406.95 = 1,642,230.42 : x
  2. Step 2: Convert to fraction form
    2,865,105.78/3,954,406.95 = 1,642,230.42/x
  3. Step 3: Cross multiply
    2,865,105.78x = 3,954,406.95 × 1,642,230.42
  4. Step 4: Simplify right side
    2,865,105.78x = 6,494,047,386,349.42
  5. Step 5: Solve for x
    x = 6,494,047,386,349.42/2,865,105.78
  6. Step 6: Final answer
    x = 2,266,599.52

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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.