Finding the Fourth Proportional to 3,115,057.98, 4,298,755 and 1,808,431.26
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Solution
The fourth proportional to 3,115,057.98, 4,298,755 and 1,808,431.26 is: 2,495,620.62
Step by Step Solution
- Step 1: Write the proportion equation
3,115,057.98 : 4,298,755 = 1,808,431.26 : x - Step 2: Convert to fraction form
3,115,057.98/4,298,755 = 1,808,431.26/x - Step 3: Cross multiply
3,115,057.98x = 4,298,755 × 1,808,431.26 - Step 4: Simplify right side
3,115,057.98x = 7,774,002,921,081.30 - Step 5: Solve for x
x = 7,774,002,921,081.30/3,115,057.98 - Step 6: Final answer
x = 2,495,620.62
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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.