Finding the Fourth Proportional to 3,783,965.62, 5,672,572.74 and 1,387,250.68
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Solution
The fourth proportional to 3,783,965.62, 5,672,572.74 and 1,387,250.68 is: 2,079,638.45
Step by Step Solution
- Step 1: Write the proportion equation
3,783,965.62 : 5,672,572.74 = 1,387,250.68 : x - Step 2: Convert to fraction form
3,783,965.62/5,672,572.74 = 1,387,250.68/x - Step 3: Cross multiply
3,783,965.62x = 5,672,572.74 × 1,387,250.68 - Step 4: Simplify right side
3,783,965.62x = 7,869,280,390,914.46 - Step 5: Solve for x
x = 7,869,280,390,914.46/3,783,965.62 - Step 6: Final answer
x = 2,079,638.45
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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.