Finding the Fourth Proportional to 2,808,623.07, 4,213,174.74 and 986,829.66
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Solution
The fourth proportional to 2,808,623.07, 4,213,174.74 and 986,829.66 is: 1,480,328.86
Step by Step Solution
- Step 1: Write the proportion equation
2,808,623.07 : 4,213,174.74 = 986,829.66 : x - Step 2: Convert to fraction form
2,808,623.07/4,213,174.74 = 986,829.66/x - Step 3: Cross multiply
2,808,623.07x = 4,213,174.74 × 986,829.66 - Step 4: Simplify right side
2,808,623.07x = 4,157,685,792,494.18 - Step 5: Solve for x
x = 4,157,685,792,494.18/2,808,623.07 - Step 6: Final answer
x = 1,480,328.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.