Finding the Fourth Proportional to 1,496,915.36, 2,243,859.76 and 644,542.88
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Solution
The fourth proportional to 1,496,915.36, 2,243,859.76 and 644,542.88 is: 966,162.73
Step by Step Solution
- Step 1: Write the proportion equation
1,496,915.36 : 2,243,859.76 = 644,542.88 : x - Step 2: Convert to fraction form
1,496,915.36/2,243,859.76 = 644,542.88/x - Step 3: Cross multiply
1,496,915.36x = 2,243,859.76 × 644,542.88 - Step 4: Simplify right side
1,496,915.36x = 1,446,263,832,026.51 - Step 5: Solve for x
x = 1,446,263,832,026.51/1,496,915.36 - Step 6: Final answer
x = 966,162.73
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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.