Finding the Fourth Proportional to 3,136,154.99, 4,328,336.25 and 1,829,838.02
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Solution
The fourth proportional to 3,136,154.99, 4,328,336.25 and 1,829,838.02 is: 2,525,434.57
Step by Step Solution
- Step 1: Write the proportion equation
3,136,154.99 : 4,328,336.25 = 1,829,838.02 : x - Step 2: Convert to fraction form
3,136,154.99/4,328,336.25 = 1,829,838.02/x - Step 3: Cross multiply
3,136,154.99x = 4,328,336.25 × 1,829,838.02 - Step 4: Simplify right side
3,136,154.99x = 7,920,154,211,952.54 - Step 5: Solve for x
x = 7,920,154,211,952.54/3,136,154.99 - Step 6: Final answer
x = 2,525,434.57
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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.