Finding the Fourth Proportional to 3,865,954.80, 5,787,122.40 and 3,015,649.20
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Solution
The fourth proportional to 3,865,954.80, 5,787,122.40 and 3,015,649.20 is: 4,514,261.53
Step by Step Solution
- Step 1: Write the proportion equation
3,865,954.80 : 5,787,122.40 = 3,015,649.20 : x - Step 2: Convert to fraction form
3,865,954.80/5,787,122.40 = 3,015,649.20/x - Step 3: Cross multiply
3,865,954.80x = 5,787,122.40 × 3,015,649.20 - Step 4: Simplify right side
3,865,954.80x = 17,451,931,035,862.08 - Step 5: Solve for x
x = 17,451,931,035,862.08/3,865,954.80 - Step 6: Final answer
x = 4,514,261.53
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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.