Finding the Fourth Proportional to 1,890,485.70, 2,833,136.55 and 1,214,492.10
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Solution
The fourth proportional to 1,890,485.70, 2,833,136.55 and 1,214,492.10 is: 1,820,072.99
Step by Step Solution
- Step 1: Write the proportion equation
1,890,485.70 : 2,833,136.55 = 1,214,492.10 : x - Step 2: Convert to fraction form
1,890,485.70/2,833,136.55 = 1,214,492.10/x - Step 3: Cross multiply
1,890,485.70x = 2,833,136.55 × 1,214,492.10 - Step 4: Simplify right side
1,890,485.70x = 3,440,821,958,196.26 - Step 5: Solve for x
x = 3,440,821,958,196.26/1,890,485.70 - Step 6: Final answer
x = 1,820,072.99
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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.