Finding the Fourth Proportional to 4,807,129.98, 6,632,028.43 and 3,154,189.58
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Solution
The fourth proportional to 4,807,129.98, 6,632,028.43 and 3,154,189.58 is: 4,351,593.37
Step by Step Solution
- Step 1: Write the proportion equation
4,807,129.98 : 6,632,028.43 = 3,154,189.58 : x - Step 2: Convert to fraction form
4,807,129.98/6,632,028.43 = 3,154,189.58/x - Step 3: Cross multiply
4,807,129.98x = 6,632,028.43 × 3,154,189.58 - Step 4: Simplify right side
4,807,129.98x = 20,918,674,951,994.25 - Step 5: Solve for x
x = 20,918,674,951,994.25/4,807,129.98 - Step 6: Final answer
x = 4,351,593.37
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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.