Finding the Fourth Proportional to 2,778,696.57, 3,832,821.91 and 2,228,731.90
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Solution
The fourth proportional to 2,778,696.57, 3,832,821.91 and 2,228,731.90 is: 3,074,222.84
Step by Step Solution
- Step 1: Write the proportion equation
2,778,696.57 : 3,832,821.91 = 2,228,731.90 : x - Step 2: Convert to fraction form
2,778,696.57/3,832,821.91 = 2,228,731.90/x - Step 3: Cross multiply
2,778,696.57x = 3,832,821.91 × 2,228,731.90 - Step 4: Simplify right side
2,778,696.57x = 8,542,332,457,835.93 - Step 5: Solve for x
x = 8,542,332,457,835.93/2,778,696.57 - Step 6: Final answer
x = 3,074,222.84
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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.