Finding the Fourth Proportional to 3,424,136.64, 4,725,120.12 and 1,875,097.62
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Solution
The fourth proportional to 3,424,136.64, 4,725,120.12 and 1,875,097.62 is: 2,587,531.52
Step by Step Solution
- Step 1: Write the proportion equation
3,424,136.64 : 4,725,120.12 = 1,875,097.62 : x - Step 2: Convert to fraction form
3,424,136.64/4,725,120.12 = 1,875,097.62/x - Step 3: Cross multiply
3,424,136.64x = 4,725,120.12 × 1,875,097.62 - Step 4: Simplify right side
3,424,136.64x = 8,860,061,491,226.12 - Step 5: Solve for x
x = 8,860,061,491,226.12/3,424,136.64 - Step 6: Final answer
x = 2,587,531.52
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1.5x scale
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.