Finding the Fourth Proportional to 1,084,722.18, 1,627,099.68 and 410,622.49
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Solution
The fourth proportional to 1,084,722.18, 1,627,099.68 and 410,622.49 is: 615,939.95
Step by Step Solution
- Step 1: Write the proportion equation
1,084,722.18 : 1,627,099.68 = 410,622.49 : x - Step 2: Convert to fraction form
1,084,722.18/1,627,099.68 = 410,622.49/x - Step 3: Cross multiply
1,084,722.18x = 1,627,099.68 × 410,622.49 - Step 4: Simplify right side
1,084,722.18x = 668,123,725,653.51 - Step 5: Solve for x
x = 668,123,725,653.51/1,084,722.18 - Step 6: Final answer
x = 615,939.95
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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.