Finding the Fourth Proportional to 1,497,843.40, 2,247,056.70 and 644,913.40
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Solution
The fourth proportional to 1,497,843.40, 2,247,056.70 and 644,913.40 is: 967,495.65
Step by Step Solution
- Step 1: Write the proportion equation
1,497,843.40 : 2,247,056.70 = 644,913.40 : x - Step 2: Convert to fraction form
1,497,843.40/2,247,056.70 = 644,913.40/x - Step 3: Cross multiply
1,497,843.40x = 2,247,056.70 × 644,913.40 - Step 4: Simplify right side
1,497,843.40x = 1,449,156,976,389.78 - Step 5: Solve for x
x = 1,449,156,976,389.78/1,497,843.40 - Step 6: Final answer
x = 967,495.65
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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.