Finding the Fourth Proportional to 1,636,512.49, 2,258,369.03 and 911,344.33
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Solution
The fourth proportional to 1,636,512.49, 2,258,369.03 and 911,344.33 is: 1,257,645.03
Step by Step Solution
- Step 1: Write the proportion equation
1,636,512.49 : 2,258,369.03 = 911,344.33 : x - Step 2: Convert to fraction form
1,636,512.49/2,258,369.03 = 911,344.33/x - Step 3: Cross multiply
1,636,512.49x = 2,258,369.03 × 911,344.33 - Step 4: Simplify right side
1,636,512.49x = 2,058,151,805,981.38 - Step 5: Solve for x
x = 2,058,151,805,981.38/1,636,512.49 - Step 6: Final answer
x = 1,257,645.03
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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.