Finding the Fourth Proportional to 1,416,912.90, 2,125,369.35 and 1,340,149.20
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Solution
The fourth proportional to 1,416,912.90, 2,125,369.35 and 1,340,149.20 is: 2,010,223.80
Step by Step Solution
- Step 1: Write the proportion equation
1,416,912.90 : 2,125,369.35 = 1,340,149.20 : x - Step 2: Convert to fraction form
1,416,912.90/2,125,369.35 = 1,340,149.20/x - Step 3: Cross multiply
1,416,912.90x = 2,125,369.35 × 1,340,149.20 - Step 4: Simplify right side
1,416,912.90x = 2,848,312,034,107.02 - Step 5: Solve for x
x = 2,848,312,034,107.02/1,416,912.90 - Step 6: Final answer
x = 2,010,223.80
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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.