Finding the Fourth Proportional to 1,768,238.19, 2,647,070.48 and 1,082,967.20
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Solution
The fourth proportional to 1,768,238.19, 2,647,070.48 and 1,082,967.20 is: 1,621,212.86
Step by Step Solution
- Step 1: Write the proportion equation
1,768,238.19 : 2,647,070.48 = 1,082,967.20 : x - Step 2: Convert to fraction form
1,768,238.19/2,647,070.48 = 1,082,967.20/x - Step 3: Cross multiply
1,768,238.19x = 2,647,070.48 × 1,082,967.20 - Step 4: Simplify right side
1,768,238.19x = 2,866,690,509,640.91 - Step 5: Solve for x
x = 2,866,690,509,640.91/1,768,238.19 - Step 6: Final answer
x = 1,621,212.86
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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.