Finding the Fourth Proportional to 2,393,515.98, 3,302,976.29 and 1,361,135.95
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Solution
The fourth proportional to 2,393,515.98, 3,302,976.29 and 1,361,135.95 is: 1,878,324.52
Step by Step Solution
- Step 1: Write the proportion equation
2,393,515.98 : 3,302,976.29 = 1,361,135.95 : x - Step 2: Convert to fraction form
2,393,515.98/3,302,976.29 = 1,361,135.95/x - Step 3: Cross multiply
2,393,515.98x = 3,302,976.29 × 1,361,135.95 - Step 4: Simplify right side
2,393,515.98x = 4,495,799,755,253.51 - Step 5: Solve for x
x = 4,495,799,755,253.51/2,393,515.98 - Step 6: Final answer
x = 1,878,324.52
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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.