Finding the Fourth Proportional to 4,020,731.49, 5,548,652.42 and 2,185,189.68
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Solution
The fourth proportional to 4,020,731.49, 5,548,652.42 and 2,185,189.68 is: 3,015,585.11
Step by Step Solution
- Step 1: Write the proportion equation
4,020,731.49 : 5,548,652.42 = 2,185,189.68 : x - Step 2: Convert to fraction form
4,020,731.49/5,548,652.42 = 2,185,189.68/x - Step 3: Cross multiply
4,020,731.49x = 5,548,652.42 × 2,185,189.68 - Step 4: Simplify right side
4,020,731.49x = 12,124,857,995,165.08 - Step 5: Solve for x
x = 12,124,857,995,165.08/4,020,731.49 - Step 6: Final answer
x = 3,015,585.11
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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.