Finding the Fourth Proportional to 1,449,428.70, 2,174,143.05 and 910,551.90
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Solution
The fourth proportional to 1,449,428.70, 2,174,143.05 and 910,551.90 is: 1,365,827.85
Step by Step Solution
- Step 1: Write the proportion equation
1,449,428.70 : 2,174,143.05 = 910,551.90 : x - Step 2: Convert to fraction form
1,449,428.70/2,174,143.05 = 910,551.90/x - Step 3: Cross multiply
1,449,428.70x = 2,174,143.05 × 910,551.90 - Step 4: Simplify right side
1,449,428.70x = 1,979,670,085,049.30 - Step 5: Solve for x
x = 1,979,670,085,049.30/1,449,428.70 - Step 6: Final answer
x = 1,365,827.85
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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.