Finding the Fourth Proportional to 2,825,832.08, 3,899,530.55 and 1,602,220.47
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Solution
The fourth proportional to 2,825,832.08, 3,899,530.55 and 1,602,220.47 is: 2,210,997.50
Step by Step Solution
- Step 1: Write the proportion equation
2,825,832.08 : 3,899,530.55 = 1,602,220.47 : x - Step 2: Convert to fraction form
2,825,832.08/3,899,530.55 = 1,602,220.47/x - Step 3: Cross multiply
2,825,832.08x = 3,899,530.55 × 1,602,220.47 - Step 4: Simplify right side
2,825,832.08x = 6,247,907,662,589.26 - Step 5: Solve for x
x = 6,247,907,662,589.26/2,825,832.08 - Step 6: Final answer
x = 2,210,997.50
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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.