Finding the Fourth Proportional to 1,347,226.20, 2,020,839.30 and 868,929.30
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Solution
The fourth proportional to 1,347,226.20, 2,020,839.30 and 868,929.30 is: 1,303,393.95
Step by Step Solution
- Step 1: Write the proportion equation
1,347,226.20 : 2,020,839.30 = 868,929.30 : x - Step 2: Convert to fraction form
1,347,226.20/2,020,839.30 = 868,929.30/x - Step 3: Cross multiply
1,347,226.20x = 2,020,839.30 × 868,929.30 - Step 4: Simplify right side
1,347,226.20x = 1,755,966,478,361.49 - Step 5: Solve for x
x = 1,755,966,478,361.49/1,347,226.20 - Step 6: Final answer
x = 1,303,393.95
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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.