Finding the Fourth Proportional to 1,900,728.24, 2,851,517.88 and 638,521.44
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Solution
The fourth proportional to 1,900,728.24, 2,851,517.88 and 638,521.44 is: 957,925.11
Step by Step Solution
- Step 1: Write the proportion equation
1,900,728.24 : 2,851,517.88 = 638,521.44 : x - Step 2: Convert to fraction form
1,900,728.24/2,851,517.88 = 638,521.44/x - Step 3: Cross multiply
1,900,728.24x = 2,851,517.88 × 638,521.44 - Step 4: Simplify right side
1,900,728.24x = 1,820,755,302,923.35 - Step 5: Solve for x
x = 1,820,755,302,923.35/1,900,728.24 - Step 6: Final answer
x = 957,925.11
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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.