Finding the Fourth Proportional to 1,616,205.06, 2,230,260.21 and 891,013.14
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Solution
The fourth proportional to 1,616,205.06, 2,230,260.21 and 891,013.14 is: 1,229,541.47
Step by Step Solution
- Step 1: Write the proportion equation
1,616,205.06 : 2,230,260.21 = 891,013.14 : x - Step 2: Convert to fraction form
1,616,205.06/2,230,260.21 = 891,013.14/x - Step 3: Cross multiply
1,616,205.06x = 2,230,260.21 × 891,013.14 - Step 4: Simplify right side
1,616,205.06x = 1,987,191,152,729.16 - Step 5: Solve for x
x = 1,987,191,152,729.16/1,616,205.06 - Step 6: Final answer
x = 1,229,541.47
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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.