Finding the Fourth Proportional to 2,049,212.12, 2,827,766.70 and 1,131,292.98
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Solution
The fourth proportional to 2,049,212.12, 2,827,766.70 and 1,131,292.98 is: 1,561,103.70
Step by Step Solution
- Step 1: Write the proportion equation
2,049,212.12 : 2,827,766.70 = 1,131,292.98 : x - Step 2: Convert to fraction form
2,049,212.12/2,827,766.70 = 1,131,292.98/x - Step 3: Cross multiply
2,049,212.12x = 2,827,766.70 × 1,131,292.98 - Step 4: Simplify right side
2,049,212.12x = 3,199,032,616,787.77 - Step 5: Solve for x
x = 3,199,032,616,787.77/2,049,212.12 - Step 6: Final answer
x = 1,561,103.70
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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.