Finding the Fourth Proportional to 5,299,777.05, 7,913,764.60 and 4,208,039.49
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Solution
The fourth proportional to 5,299,777.05, 7,913,764.60 and 4,208,039.49 is: 6,283,553.75
Step by Step Solution
- Step 1: Write the proportion equation
5,299,777.05 : 7,913,764.60 = 4,208,039.49 : x - Step 2: Convert to fraction form
5,299,777.05/7,913,764.60 = 4,208,039.49/x - Step 3: Cross multiply
5,299,777.05x = 7,913,764.60 × 4,208,039.49 - Step 4: Simplify right side
5,299,777.05x = 33,301,433,951,364.05 - Step 5: Solve for x
x = 33,301,433,951,364.05/5,299,777.05 - Step 6: Final answer
x = 6,283,553.75
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1.5x scale
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.