Finding the Fourth Proportional to 5,317,220.72, 7,337,727.24 and 2,902,772.72
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Solution
The fourth proportional to 5,317,220.72, 7,337,727.24 and 2,902,772.72 is: 4,005,805.96
Step by Step Solution
- Step 1: Write the proportion equation
5,317,220.72 : 7,337,727.24 = 2,902,772.72 : x - Step 2: Convert to fraction form
5,317,220.72/7,337,727.24 = 2,902,772.72/x - Step 3: Cross multiply
5,317,220.72x = 7,337,727.24 × 2,902,772.72 - Step 4: Simplify right side
5,317,220.72x = 21,299,754,459,072.89 - Step 5: Solve for x
x = 21,299,754,459,072.89/5,317,220.72 - Step 6: Final answer
x = 4,005,805.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.