Finding the Fourth Proportional to 2,439,406.47, 3,366,400.84 and 1,351,696.20
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Solution
The fourth proportional to 2,439,406.47, 3,366,400.84 and 1,351,696.20 is: 1,865,351.79
Step by Step Solution
- Step 1: Write the proportion equation
2,439,406.47 : 3,366,400.84 = 1,351,696.20 : x - Step 2: Convert to fraction form
2,439,406.47/3,366,400.84 = 1,351,696.20/x - Step 3: Cross multiply
2,439,406.47x = 3,366,400.84 × 1,351,696.20 - Step 4: Simplify right side
2,439,406.47x = 4,550,351,223,104.81 - Step 5: Solve for x
x = 4,550,351,223,104.81/2,439,406.47 - Step 6: Final answer
x = 1,865,351.79
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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.