Finding the Fourth Proportional to 1,616,097.05, 2,230,231.16 and 890,970.74
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Solution
The fourth proportional to 1,616,097.05, 2,230,231.16 and 890,970.74 is: 1,229,549.12
Step by Step Solution
- Step 1: Write the proportion equation
1,616,097.05 : 2,230,231.16 = 890,970.74 : x - Step 2: Convert to fraction form
1,616,097.05/2,230,231.16 = 890,970.74/x - Step 3: Cross multiply
1,616,097.05x = 2,230,231.16 × 890,970.74 - Step 4: Simplify right side
1,616,097.05x = 1,987,070,706,996.26 - Step 5: Solve for x
x = 1,987,070,706,996.26/1,616,097.05 - Step 6: Final answer
x = 1,229,549.12
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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.