Home / 1,647,172.86-2,470,316.41-581,928.90

Finding the Fourth Proportional to 1,647,172.86, 2,470,316.41 and 581,928.90

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Solution

The fourth proportional to 1,647,172.86, 2,470,316.41 and 581,928.90 is: 872,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,172.86 : 2,470,316.41 = 581,928.90 : x
  2. Step 2: Convert to fraction form
    1,647,172.86/2,470,316.41 = 581,928.90/x
  3. Step 3: Cross multiply
    1,647,172.86x = 2,470,316.41 × 581,928.90
  4. Step 4: Simplify right side
    1,647,172.86x = 1,437,548,511,123.25
  5. Step 5: Solve for x
    x = 1,437,548,511,123.25/1,647,172.86
  6. Step 6: Final answer
    x = 872,736.89

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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.