Finding the Fourth Proportional to 1,616,155.84, 2,230,328.81 and 891,034.12
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Solution
The fourth proportional to 1,616,155.84, 2,230,328.81 and 891,034.12 is: 1,229,645.69
Step by Step Solution
- Step 1: Write the proportion equation
1,616,155.84 : 2,230,328.81 = 891,034.12 : x - Step 2: Convert to fraction form
1,616,155.84/2,230,328.81 = 891,034.12/x - Step 3: Cross multiply
1,616,155.84x = 2,230,328.81 × 891,034.12 - Step 4: Simplify right side
1,616,155.84x = 1,987,299,052,922.18 - Step 5: Solve for x
x = 1,987,299,052,922.18/1,616,155.84 - Step 6: Final answer
x = 1,229,645.69
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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.