Finding the Fourth Proportional to 1,636,699.17, 2,258,714.55 and 911,546.79
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Solution
The fourth proportional to 1,636,699.17, 2,258,714.55 and 911,546.79 is: 1,257,973.39
Step by Step Solution
- Step 1: Write the proportion equation
1,636,699.17 : 2,258,714.55 = 911,546.79 : x - Step 2: Convert to fraction form
1,636,699.17/2,258,714.55 = 911,546.79/x - Step 3: Cross multiply
1,636,699.17x = 2,258,714.55 × 911,546.79 - Step 4: Simplify right side
1,636,699.17x = 2,058,923,997,578.79 - Step 5: Solve for x
x = 2,058,923,997,578.79/1,636,699.17 - Step 6: Final answer
x = 1,257,973.39
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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.