Finding the Fourth Proportional to 1,636,512.74, 2,258,369.37 and 911,344.58
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Solution
The fourth proportional to 1,636,512.74, 2,258,369.37 and 911,344.58 is: 1,257,645.38
Step by Step Solution
- Step 1: Write the proportion equation
1,636,512.74 : 2,258,369.37 = 911,344.58 : x - Step 2: Convert to fraction form
1,636,512.74/2,258,369.37 = 911,344.58/x - Step 3: Cross multiply
1,636,512.74x = 2,258,369.37 × 911,344.58 - Step 4: Simplify right side
1,636,512.74x = 2,058,152,684,987.51 - Step 5: Solve for x
x = 2,058,152,684,987.51/1,636,512.74 - Step 6: Final answer
x = 1,257,645.38
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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.