Finding the Fourth Proportional to 1,449,423.70, 2,174,135.55 and 910,546.90
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Solution
The fourth proportional to 1,449,423.70, 2,174,135.55 and 910,546.90 is: 1,365,820.35
Step by Step Solution
- Step 1: Write the proportion equation
1,449,423.70 : 2,174,135.55 = 910,546.90 : x - Step 2: Convert to fraction form
1,449,423.70/2,174,135.55 = 910,546.90/x - Step 3: Cross multiply
1,449,423.70x = 2,174,135.55 × 910,546.90 - Step 4: Simplify right side
1,449,423.70x = 1,979,652,385,232.30 - Step 5: Solve for x
x = 1,979,652,385,232.30/1,449,423.70 - Step 6: Final answer
x = 1,365,820.35
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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.