Finding the Fourth Proportional to 2,804,153.02, 3,865,197.84 and 2,191,240.81
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Solution
The fourth proportional to 2,804,153.02, 3,865,197.84 and 2,191,240.81 is: 3,020,369.85
Step by Step Solution
- Step 1: Write the proportion equation
2,804,153.02 : 3,865,197.84 = 2,191,240.81 : x - Step 2: Convert to fraction form
2,804,153.02/3,865,197.84 = 2,191,240.81/x - Step 3: Cross multiply
2,804,153.02x = 3,865,197.84 × 2,191,240.81 - Step 4: Simplify right side
2,804,153.02x = 8,469,579,245,731.85 - Step 5: Solve for x
x = 8,469,579,245,731.85/2,804,153.02 - Step 6: Final answer
x = 3,020,369.85
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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.