Finding the Fourth Proportional to 1,616,541.60, 2,230,842.96 and 891,415.02
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Solution
The fourth proportional to 1,616,541.60, 2,230,842.96 and 891,415.02 is: 1,230,161.30
Step by Step Solution
- Step 1: Write the proportion equation
1,616,541.60 : 2,230,842.96 = 891,415.02 : x - Step 2: Convert to fraction form
1,616,541.60/2,230,842.96 = 891,415.02/x - Step 3: Cross multiply
1,616,541.60x = 2,230,842.96 × 891,415.02 - Step 4: Simplify right side
1,616,541.60x = 1,988,606,921,805.26 - Step 5: Solve for x
x = 1,988,606,921,805.26/1,616,541.60 - Step 6: Final answer
x = 1,230,161.30
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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.