Finding the Fourth Proportional to 3,116,728.96, 4,671,549.60 and 1,318,490.08
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Solution
The fourth proportional to 3,116,728.96, 4,671,549.60 and 1,318,490.08 is: 1,976,235.95
Step by Step Solution
- Step 1: Write the proportion equation
3,116,728.96 : 4,671,549.60 = 1,318,490.08 : x - Step 2: Convert to fraction form
3,116,728.96/4,671,549.60 = 1,318,490.08/x - Step 3: Cross multiply
3,116,728.96x = 4,671,549.60 × 1,318,490.08 - Step 4: Simplify right side
3,116,728.96x = 6,159,391,805,827.97 - Step 5: Solve for x
x = 6,159,391,805,827.97/3,116,728.96 - Step 6: Final answer
x = 1,976,235.95
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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.