Finding the Fourth Proportional to 3,722,209.48, 5,558,099.73 and 2,955,447.28
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Solution
The fourth proportional to 3,722,209.48, 5,558,099.73 and 2,955,447.28 is: 4,413,150.53
Step by Step Solution
- Step 1: Write the proportion equation
3,722,209.48 : 5,558,099.73 = 2,955,447.28 : x - Step 2: Convert to fraction form
3,722,209.48/5,558,099.73 = 2,955,447.28/x - Step 3: Cross multiply
3,722,209.48x = 5,558,099.73 × 2,955,447.28 - Step 4: Simplify right side
3,722,209.48x = 16,426,670,728,997.23 - Step 5: Solve for x
x = 16,426,670,728,997.23/3,722,209.48 - Step 6: Final answer
x = 4,413,150.53
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.