Finding the Fourth Proportional to 1,768,231.86, 2,653,376.94 and 743,487.93
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Solution
The fourth proportional to 1,768,231.86, 2,653,376.94 and 743,487.93 is: 1,115,664.62
Step by Step Solution
- Step 1: Write the proportion equation
1,768,231.86 : 2,653,376.94 = 743,487.93 : x - Step 2: Convert to fraction form
1,768,231.86/2,653,376.94 = 743,487.93/x - Step 3: Cross multiply
1,768,231.86x = 2,653,376.94 × 743,487.93 - Step 4: Simplify right side
1,768,231.86x = 1,972,753,728,630.33 - Step 5: Solve for x
x = 1,972,753,728,630.33/1,768,231.86 - Step 6: Final answer
x = 1,115,664.62
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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.