Finding the Fourth Proportional to 3,390,755.58, 4,676,536.49 and 2,230,393.52
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Solution
The fourth proportional to 3,390,755.58, 4,676,536.49 and 2,230,393.52 is: 3,076,162.95
Step by Step Solution
- Step 1: Write the proportion equation
3,390,755.58 : 4,676,536.49 = 2,230,393.52 : x - Step 2: Convert to fraction form
3,390,755.58/4,676,536.49 = 2,230,393.52/x - Step 3: Cross multiply
3,390,755.58x = 4,676,536.49 × 2,230,393.52 - Step 4: Simplify right side
3,390,755.58x = 10,430,516,683,878.92 - Step 5: Solve for x
x = 10,430,516,683,878.92/3,390,755.58 - Step 6: Final answer
x = 3,076,162.95
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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.