Finding the Fourth Proportional to 1,801,649.79, 2,486,202.46 and 1,076,897.09
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Solution
The fourth proportional to 1,801,649.79, 2,486,202.46 and 1,076,897.09 is: 1,486,073.60
Step by Step Solution
- Step 1: Write the proportion equation
1,801,649.79 : 2,486,202.46 = 1,076,897.09 : x - Step 2: Convert to fraction form
1,801,649.79/2,486,202.46 = 1,076,897.09/x - Step 3: Cross multiply
1,801,649.79x = 2,486,202.46 × 1,076,897.09 - Step 4: Simplify right side
1,801,649.79x = 2,677,384,197,848.11 - Step 5: Solve for x
x = 2,677,384,197,848.11/1,801,649.79 - Step 6: Final answer
x = 1,486,073.60
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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.