Finding the Fourth Proportional to 3,149,114.70, 4,724,286.45 and 1,351,994.70
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Solution
The fourth proportional to 3,149,114.70, 4,724,286.45 and 1,351,994.70 is: 2,028,255.83
Step by Step Solution
- Step 1: Write the proportion equation
3,149,114.70 : 4,724,286.45 = 1,351,994.70 : x - Step 2: Convert to fraction form
3,149,114.70/4,724,286.45 = 1,351,994.70/x - Step 3: Cross multiply
3,149,114.70x = 4,724,286.45 × 1,351,994.70 - Step 4: Simplify right side
3,149,114.70x = 6,387,210,241,681.82 - Step 5: Solve for x
x = 6,387,210,241,681.82/3,149,114.70 - Step 6: Final answer
x = 2,028,255.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.