Finding the Fourth Proportional to 2,194,868.02, 3,027,894.86 and 1,420,748.60
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Solution
The fourth proportional to 2,194,868.02, 3,027,894.86 and 1,420,748.60 is: 1,959,970.87
Step by Step Solution
- Step 1: Write the proportion equation
2,194,868.02 : 3,027,894.86 = 1,420,748.60 : x - Step 2: Convert to fraction form
2,194,868.02/3,027,894.86 = 1,420,748.60/x - Step 3: Cross multiply
2,194,868.02x = 3,027,894.86 × 1,420,748.60 - Step 4: Simplify right side
2,194,868.02x = 4,301,877,383,292.20 - Step 5: Solve for x
x = 4,301,877,383,292.20/2,194,868.02 - Step 6: Final answer
x = 1,959,970.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.