Finding the Fourth Proportional to 3,640,721.68, 5,024,160.84 and 2,009,144.08
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Solution
The fourth proportional to 3,640,721.68, 5,024,160.84 and 2,009,144.08 is: 2,772,599.47
Step by Step Solution
- Step 1: Write the proportion equation
3,640,721.68 : 5,024,160.84 = 2,009,144.08 : x - Step 2: Convert to fraction form
3,640,721.68/5,024,160.84 = 2,009,144.08/x - Step 3: Cross multiply
3,640,721.68x = 5,024,160.84 × 2,009,144.08 - Step 4: Simplify right side
3,640,721.68x = 10,094,263,008,653.83 - Step 5: Solve for x
x = 10,094,263,008,653.83/3,640,721.68 - Step 6: Final answer
x = 2,772,599.47
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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.