Finding the Fourth Proportional to 3,411,903.12, 5,117,861.16 and 887,554.32
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Solution
The fourth proportional to 3,411,903.12, 5,117,861.16 and 887,554.32 is: 1,331,333.17
Step by Step Solution
- Step 1: Write the proportion equation
3,411,903.12 : 5,117,861.16 = 887,554.32 : x - Step 2: Convert to fraction form
3,411,903.12/5,117,861.16 = 887,554.32/x - Step 3: Cross multiply
3,411,903.12x = 5,117,861.16 × 887,554.32 - Step 4: Simplify right side
3,411,903.12x = 4,542,379,781,718.21 - Step 5: Solve for x
x = 4,542,379,781,718.21/3,411,903.12 - Step 6: Final answer
x = 1,331,333.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.