Finding the Fourth Proportional to 5,285,323.08, 7,929,166.01 and 1,691,305.83
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Solution
The fourth proportional to 5,285,323.08, 7,929,166.01 and 1,691,305.83 is: 2,537,336.79
Step by Step Solution
- Step 1: Write the proportion equation
5,285,323.08 : 7,929,166.01 = 1,691,305.83 : x - Step 2: Convert to fraction form
5,285,323.08/7,929,166.01 = 1,691,305.83/x - Step 3: Cross multiply
5,285,323.08x = 7,929,166.01 × 1,691,305.83 - Step 4: Simplify right side
5,285,323.08x = 13,410,644,691,294.31 - Step 5: Solve for x
x = 13,410,644,691,294.31/5,285,323.08 - Step 6: Final answer
x = 2,537,336.79
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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.