Home / 3,287,071.90-4,930,607.89-890,916.53

Finding the Fourth Proportional to 3,287,071.90, 4,930,607.89 and 890,916.53

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Solution

The fourth proportional to 3,287,071.90, 4,930,607.89 and 890,916.53 is: 1,336,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,071.90 : 4,930,607.89 = 890,916.53 : x
  2. Step 2: Convert to fraction form
    3,287,071.90/4,930,607.89 = 890,916.53/x
  3. Step 3: Cross multiply
    3,287,071.90x = 4,930,607.89 × 890,916.53
  4. Step 4: Simplify right side
    3,287,071.90x = 4,392,760,072,149.42
  5. Step 5: Solve for x
    x = 4,392,760,072,149.42/3,287,071.90
  6. Step 6: Final answer
    x = 1,336,374.81

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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.