Finding the Fourth Proportional to 1,426,232.18, 2,139,805.48 and 415,414.92
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Solution
The fourth proportional to 1,426,232.18, 2,139,805.48 and 415,414.92 is: 623,255.55
Step by Step Solution
- Step 1: Write the proportion equation
1,426,232.18 : 2,139,805.48 = 415,414.92 : x - Step 2: Convert to fraction form
1,426,232.18/2,139,805.48 = 415,414.92/x - Step 3: Cross multiply
1,426,232.18x = 2,139,805.48 × 415,414.92 - Step 4: Simplify right side
1,426,232.18x = 888,907,122,289.76 - Step 5: Solve for x
x = 888,907,122,289.76/1,426,232.18 - Step 6: Final answer
x = 623,255.55
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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.