Finding the Fourth Proportional to 2,109,485.62, 3,164,376.05 and 1,044,241.66
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Solution
The fourth proportional to 2,109,485.62, 3,164,376.05 and 1,044,241.66 is: 1,566,435.57
Step by Step Solution
- Step 1: Write the proportion equation
2,109,485.62 : 3,164,376.05 = 1,044,241.66 : x - Step 2: Convert to fraction form
2,109,485.62/3,164,376.05 = 1,044,241.66/x - Step 3: Cross multiply
2,109,485.62x = 3,164,376.05 × 1,044,241.66 - Step 4: Simplify right side
2,109,485.62x = 3,304,373,299,316.24 - Step 5: Solve for x
x = 3,304,373,299,316.24/2,109,485.62 - Step 6: Final answer
x = 1,566,435.57
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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.