Finding the Fourth Proportional to 2,439,611.45, 3,366,683.57 and 1,351,901.20
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Solution
The fourth proportional to 2,439,611.45, 3,366,683.57 and 1,351,901.20 is: 1,865,634.60
Step by Step Solution
- Step 1: Write the proportion equation
2,439,611.45 : 3,366,683.57 = 1,351,901.20 : x - Step 2: Convert to fraction form
2,439,611.45/3,366,683.57 = 1,351,901.20/x - Step 3: Cross multiply
2,439,611.45x = 3,366,683.57 × 1,351,901.20 - Step 4: Simplify right side
2,439,611.45x = 4,551,423,534,710.36 - Step 5: Solve for x
x = 4,551,423,534,710.36/2,439,611.45 - Step 6: Final answer
x = 1,865,634.60
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1.5x scale
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.