Finding the Fourth Proportional to 5,171,316.08, 7,136,740.34 and 2,848,208.13
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Solution
The fourth proportional to 5,171,316.08, 7,136,740.34 and 2,848,208.13 is: 3,930,705.75
Step by Step Solution
- Step 1: Write the proportion equation
5,171,316.08 : 7,136,740.34 = 2,848,208.13 : x - Step 2: Convert to fraction form
5,171,316.08/7,136,740.34 = 2,848,208.13/x - Step 3: Cross multiply
5,171,316.08x = 7,136,740.34 × 2,848,208.13 - Step 4: Simplify right side
5,171,316.08x = 20,326,921,854,526.70 - Step 5: Solve for x
x = 20,326,921,854,526.70/5,171,316.08 - Step 6: Final answer
x = 3,930,705.75
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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.