Finding the Fourth Proportional to 4,621,551.29, 6,375,591.61 and 2,990,485.17
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Solution
The fourth proportional to 4,621,551.29, 6,375,591.61 and 2,990,485.17 is: 4,125,478.86
Step by Step Solution
- Step 1: Write the proportion equation
4,621,551.29 : 6,375,591.61 = 2,990,485.17 : x - Step 2: Convert to fraction form
4,621,551.29/6,375,591.61 = 2,990,485.17/x - Step 3: Cross multiply
4,621,551.29x = 6,375,591.61 × 2,990,485.17 - Step 4: Simplify right side
4,621,551.29x = 19,066,112,152,205.21 - Step 5: Solve for x
x = 19,066,112,152,205.21/4,621,551.29 - Step 6: Final answer
x = 4,125,478.86
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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.