Finding the Fourth Proportional to 3,391,687.18, 5,088,317.69 and 1,117,129.96
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Solution
The fourth proportional to 3,391,687.18, 5,088,317.69 and 1,117,129.96 is: 1,675,954.12
Step by Step Solution
- Step 1: Write the proportion equation
3,391,687.18 : 5,088,317.69 = 1,117,129.96 : x - Step 2: Convert to fraction form
3,391,687.18/5,088,317.69 = 1,117,129.96/x - Step 3: Cross multiply
3,391,687.18x = 5,088,317.69 × 1,117,129.96 - Step 4: Simplify right side
3,391,687.18x = 5,684,312,106,469.75 - Step 5: Solve for x
x = 5,684,312,106,469.75/3,391,687.18 - Step 6: Final answer
x = 1,675,954.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.