Finding the Fourth Proportional to 3,874,486.10, 5,812,569.92 and 1,178,741.25
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Solution
The fourth proportional to 3,874,486.10, 5,812,569.92 and 1,178,741.25 is: 1,768,367.67
Step by Step Solution
- Step 1: Write the proportion equation
3,874,486.10 : 5,812,569.92 = 1,178,741.25 : x - Step 2: Convert to fraction form
3,874,486.10/5,812,569.92 = 1,178,741.25/x - Step 3: Cross multiply
3,874,486.10x = 5,812,569.92 × 1,178,741.25 - Step 4: Simplify right side
3,874,486.10x = 6,851,515,936,160.05 - Step 5: Solve for x
x = 6,851,515,936,160.05/3,874,486.10 - Step 6: Final answer
x = 1,768,367.67
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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.