Finding the Fourth Proportional to 3,808,900.56, 5,256,210.96 and 2,090,006.08
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Solution
The fourth proportional to 3,808,900.56, 5,256,210.96 and 2,090,006.08 is: 2,884,168.99
Step by Step Solution
- Step 1: Write the proportion equation
3,808,900.56 : 5,256,210.96 = 2,090,006.08 : x - Step 2: Convert to fraction form
3,808,900.56/5,256,210.96 = 2,090,006.08/x - Step 3: Cross multiply
3,808,900.56x = 5,256,210.96 × 2,090,006.08 - Step 4: Simplify right side
3,808,900.56x = 10,985,512,864,162.64 - Step 5: Solve for x
x = 10,985,512,864,162.64/3,808,900.56 - Step 6: Final answer
x = 2,884,168.99
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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.