Home / 3,287,071.78-4,930,607.71-890,916.41

Finding the Fourth Proportional to 3,287,071.78, 4,930,607.71 and 890,916.41

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Solution

The fourth proportional to 3,287,071.78, 4,930,607.71 and 890,916.41 is: 1,336,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,071.78 : 4,930,607.71 = 890,916.41 : x
  2. Step 2: Convert to fraction form
    3,287,071.78/4,930,607.71 = 890,916.41/x
  3. Step 3: Cross multiply
    3,287,071.78x = 4,930,607.71 × 890,916.41
  4. Step 4: Simplify right side
    3,287,071.78x = 4,392,759,320,111.52
  5. Step 5: Solve for x
    x = 4,392,759,320,111.52/3,287,071.78
  6. Step 6: Final answer
    x = 1,336,374.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.