Finding the Fourth Proportional to 2,720,316.48, 4,080,970.44 and 1,121,992.08
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Solution
The fourth proportional to 2,720,316.48, 4,080,970.44 and 1,121,992.08 is: 1,683,192.58
Step by Step Solution
- Step 1: Write the proportion equation
2,720,316.48 : 4,080,970.44 = 1,121,992.08 : x - Step 2: Convert to fraction form
2,720,316.48/4,080,970.44 = 1,121,992.08/x - Step 3: Cross multiply
2,720,316.48x = 4,080,970.44 × 1,121,992.08 - Step 4: Simplify right side
2,720,316.48x = 4,578,816,512,394.12 - Step 5: Solve for x
x = 4,578,816,512,394.12/2,720,316.48 - Step 6: Final answer
x = 1,683,192.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.