Finding the Fourth Proportional to 2,137,552.68, 2,949,822.66 and 1,170,685.24
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Solution
The fourth proportional to 2,137,552.68, 2,949,822.66 and 1,170,685.24 is: 1,615,545.61
Step by Step Solution
- Step 1: Write the proportion equation
2,137,552.68 : 2,949,822.66 = 1,170,685.24 : x - Step 2: Convert to fraction form
2,137,552.68/2,949,822.66 = 1,170,685.24/x - Step 3: Cross multiply
2,137,552.68x = 2,949,822.66 × 1,170,685.24 - Step 4: Simplify right side
2,137,552.68x = 3,453,313,848,679.54 - Step 5: Solve for x
x = 3,453,313,848,679.54/2,137,552.68 - Step 6: Final answer
x = 1,615,545.61
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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.