Finding the Fourth Proportional to 1,636,068.04, 2,252,766.54 and 1,631,344.12
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Solution
The fourth proportional to 1,636,068.04, 2,252,766.54 and 1,631,344.12 is: 2,246,261.99
Step by Step Solution
- Step 1: Write the proportion equation
1,636,068.04 : 2,252,766.54 = 1,631,344.12 : x - Step 2: Convert to fraction form
1,636,068.04/2,252,766.54 = 1,631,344.12/x - Step 3: Cross multiply
1,636,068.04x = 2,252,766.54 × 1,631,344.12 - Step 4: Simplify right side
1,636,068.04x = 3,675,037,448,761.75 - Step 5: Solve for x
x = 3,675,037,448,761.75/1,636,068.04 - Step 6: Final answer
x = 2,246,261.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.