Finding the Fourth Proportional to 2,021,414.40, 3,031,946.64 and 823,463.28
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Solution
The fourth proportional to 2,021,414.40, 3,031,946.64 and 823,463.28 is: 1,235,123.65
Step by Step Solution
- Step 1: Write the proportion equation
2,021,414.40 : 3,031,946.64 = 823,463.28 : x - Step 2: Convert to fraction form
2,021,414.40/3,031,946.64 = 823,463.28/x - Step 3: Cross multiply
2,021,414.40x = 3,031,946.64 × 823,463.28 - Step 4: Simplify right side
2,021,414.40x = 2,496,696,724,959.38 - Step 5: Solve for x
x = 2,496,696,724,959.38/2,021,414.40 - Step 6: Final answer
x = 1,235,123.65
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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.