Finding the Fourth Proportional to 4,121,560.19, 5,681,181.24 and 3,248,971.90
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Solution
The fourth proportional to 4,121,560.19, 5,681,181.24 and 3,248,971.90 is: 4,478,400.73
Step by Step Solution
- Step 1: Write the proportion equation
4,121,560.19 : 5,681,181.24 = 3,248,971.90 : x - Step 2: Convert to fraction form
4,121,560.19/5,681,181.24 = 3,248,971.90/x - Step 3: Cross multiply
4,121,560.19x = 5,681,181.24 × 3,248,971.90 - Step 4: Simplify right side
4,121,560.19x = 18,457,998,193,364.20 - Step 5: Solve for x
x = 18,457,998,193,364.20/4,121,560.19 - Step 6: Final answer
x = 4,478,400.73
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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.