Finding the Fourth Proportional to 1,839,647.62, 2,759,931.30 and 1,809,134.08
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Solution
The fourth proportional to 1,839,647.62, 2,759,931.30 and 1,809,134.08 is: 2,714,153.36
Step by Step Solution
- Step 1: Write the proportion equation
1,839,647.62 : 2,759,931.30 = 1,809,134.08 : x - Step 2: Convert to fraction form
1,839,647.62/2,759,931.30 = 1,809,134.08/x - Step 3: Cross multiply
1,839,647.62x = 2,759,931.30 × 1,809,134.08 - Step 4: Simplify right side
1,839,647.62x = 4,993,085,773,288.70 - Step 5: Solve for x
x = 4,993,085,773,288.70/1,839,647.62 - Step 6: Final answer
x = 2,714,153.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.