Finding the Fourth Proportional to 2,496,872.79, 3,445,696.26 and 1,409,190.21
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Solution
The fourth proportional to 2,496,872.79, 3,445,696.26 and 1,409,190.21 is: 1,944,689.16
Step by Step Solution
- Step 1: Write the proportion equation
2,496,872.79 : 3,445,696.26 = 1,409,190.21 : x - Step 2: Convert to fraction form
2,496,872.79/3,445,696.26 = 1,409,190.21/x - Step 3: Cross multiply
2,496,872.79x = 3,445,696.26 × 1,409,190.21 - Step 4: Simplify right side
2,496,872.79x = 4,855,641,436,225.61 - Step 5: Solve for x
x = 4,855,641,436,225.61/2,496,872.79 - Step 6: Final answer
x = 1,944,689.16
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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.