Finding the Fourth Proportional to 1,424,846.64, 1,966,274.36 and 771,469.48
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Solution
The fourth proportional to 1,424,846.64, 1,966,274.36 and 771,469.48 is: 1,064,620.30
Step by Step Solution
- Step 1: Write the proportion equation
1,424,846.64 : 1,966,274.36 = 771,469.48 : x - Step 2: Convert to fraction form
1,424,846.64/1,966,274.36 = 771,469.48/x - Step 3: Cross multiply
1,424,846.64x = 1,966,274.36 × 771,469.48 - Step 4: Simplify right side
1,424,846.64x = 1,516,920,658,046.53 - Step 5: Solve for x
x = 1,516,920,658,046.53/1,424,846.64 - Step 6: Final answer
x = 1,064,620.30
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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.