Finding the Fourth Proportional to 2,145,880.88, 3,217,608.05 and 706,175.28
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Solution
The fourth proportional to 2,145,880.88, 3,217,608.05 and 706,175.28 is: 1,058,863.65
Step by Step Solution
- Step 1: Write the proportion equation
2,145,880.88 : 3,217,608.05 = 706,175.28 : x - Step 2: Convert to fraction form
2,145,880.88/3,217,608.05 = 706,175.28/x - Step 3: Cross multiply
2,145,880.88x = 3,217,608.05 × 706,175.28 - Step 4: Simplify right side
2,145,880.88x = 2,272,195,262,108.13 - Step 5: Solve for x
x = 2,272,195,262,108.13/2,145,880.88 - Step 6: Final answer
x = 1,058,863.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.