Finding the Fourth Proportional to 2,389,314.62, 3,297,252.74 and 1,316,226.62
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Solution
The fourth proportional to 2,389,314.62, 3,297,252.74 and 1,316,226.62 is: 1,816,391.94
Step by Step Solution
- Step 1: Write the proportion equation
2,389,314.62 : 3,297,252.74 = 1,316,226.62 : x - Step 2: Convert to fraction form
2,389,314.62/3,297,252.74 = 1,316,226.62/x - Step 3: Cross multiply
2,389,314.62x = 3,297,252.74 × 1,316,226.62 - Step 4: Simplify right side
2,389,314.62x = 4,339,931,829,255.94 - Step 5: Solve for x
x = 4,339,931,829,255.94/2,389,314.62 - Step 6: Final answer
x = 1,816,391.94
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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.