Finding the Fourth Proportional to 3,023,985.42, 4,173,097.98 and 1,665,858.42
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Solution
The fourth proportional to 3,023,985.42, 4,173,097.98 and 1,665,858.42 is: 2,298,883.57
Step by Step Solution
- Step 1: Write the proportion equation
3,023,985.42 : 4,173,097.98 = 1,665,858.42 : x - Step 2: Convert to fraction form
3,023,985.42/4,173,097.98 = 1,665,858.42/x - Step 3: Cross multiply
3,023,985.42x = 4,173,097.98 × 1,665,858.42 - Step 4: Simplify right side
3,023,985.42x = 6,951,790,407,467.99 - Step 5: Solve for x
x = 6,951,790,407,467.99/3,023,985.42 - Step 6: Final answer
x = 2,298,883.57
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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.