Finding the Fourth Proportional to 1,592,122.20, 2,197,129.35 and 866,969.90
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Solution
The fourth proportional to 1,592,122.20, 2,197,129.35 and 866,969.90 is: 1,196,418.84
Step by Step Solution
- Step 1: Write the proportion equation
1,592,122.20 : 2,197,129.35 = 866,969.90 : x - Step 2: Convert to fraction form
1,592,122.20/2,197,129.35 = 866,969.90/x - Step 3: Cross multiply
1,592,122.20x = 2,197,129.35 × 866,969.90 - Step 4: Simplify right side
1,592,122.20x = 1,904,845,001,870.92 - Step 5: Solve for x
x = 1,904,845,001,870.92/1,592,122.20 - Step 6: Final answer
x = 1,196,418.84
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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.