Finding the Fourth Proportional to 2,137,329.15, 2,949,492.18 and 1,157,251.41
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Solution
The fourth proportional to 2,137,329.15, 2,949,492.18 and 1,157,251.41 is: 1,596,995.01
Step by Step Solution
- Step 1: Write the proportion equation
2,137,329.15 : 2,949,492.18 = 1,157,251.41 : x - Step 2: Convert to fraction form
2,137,329.15/2,949,492.18 = 1,157,251.41/x - Step 3: Cross multiply
2,137,329.15x = 2,949,492.18 × 1,157,251.41 - Step 4: Simplify right side
2,137,329.15x = 3,413,303,984,088.97 - Step 5: Solve for x
x = 3,413,303,984,088.97/2,137,329.15 - Step 6: Final answer
x = 1,596,995.01
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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.