Finding the Fourth Proportional to 2,616,705.75, 3,610,524.68 and 1,528,767.23
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Solution
The fourth proportional to 2,616,705.75, 3,610,524.68 and 1,528,767.23 is: 2,109,389.56
Step by Step Solution
- Step 1: Write the proportion equation
2,616,705.75 : 3,610,524.68 = 1,528,767.23 : x - Step 2: Convert to fraction form
2,616,705.75/3,610,524.68 = 1,528,767.23/x - Step 3: Cross multiply
2,616,705.75x = 3,610,524.68 × 1,528,767.23 - Step 4: Simplify right side
2,616,705.75x = 5,519,651,788,193.78 - Step 5: Solve for x
x = 5,519,651,788,193.78/2,616,705.75 - Step 6: Final answer
x = 2,109,389.56
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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.