Finding the Fourth Proportional to 2,975,583.20, 4,459,639.12 and 1,609,302.48
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Solution
The fourth proportional to 2,975,583.20, 4,459,639.12 and 1,609,302.48 is: 2,411,933.33
Step by Step Solution
- Step 1: Write the proportion equation
2,975,583.20 : 4,459,639.12 = 1,609,302.48 : x - Step 2: Convert to fraction form
2,975,583.20/4,459,639.12 = 1,609,302.48/x - Step 3: Cross multiply
2,975,583.20x = 4,459,639.12 × 1,609,302.48 - Step 4: Simplify right side
2,975,583.20x = 7,176,908,295,721.02 - Step 5: Solve for x
x = 7,176,908,295,721.02/2,975,583.20 - Step 6: Final answer
x = 2,411,933.33
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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.