Finding the Fourth Proportional to 4,810,962.48, 6,639,136.22 and 2,635,458.20
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Solution
The fourth proportional to 4,810,962.48, 6,639,136.22 and 2,635,458.20 is: 3,636,936.70
Step by Step Solution
- Step 1: Write the proportion equation
4,810,962.48 : 6,639,136.22 = 2,635,458.20 : x - Step 2: Convert to fraction form
4,810,962.48/6,639,136.22 = 2,635,458.20/x - Step 3: Cross multiply
4,810,962.48x = 6,639,136.22 × 2,635,458.20 - Step 4: Simplify right side
4,810,962.48x = 17,497,165,991,916.00 - Step 5: Solve for x
x = 17,497,165,991,916.00/4,810,962.48 - Step 6: Final answer
x = 3,636,936.70
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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.