Finding the Fourth Proportional to 2,103,311.12, 2,902,569.48 and 1,197,977.36
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Solution
The fourth proportional to 2,103,311.12, 2,902,569.48 and 1,197,977.36 is: 1,653,208.83
Step by Step Solution
- Step 1: Write the proportion equation
2,103,311.12 : 2,902,569.48 = 1,197,977.36 : x - Step 2: Convert to fraction form
2,103,311.12/2,902,569.48 = 1,197,977.36/x - Step 3: Cross multiply
2,103,311.12x = 2,902,569.48 × 1,197,977.36 - Step 4: Simplify right side
2,103,311.12x = 3,477,212,522,866.97 - Step 5: Solve for x
x = 3,477,212,522,866.97/2,103,311.12 - Step 6: Final answer
x = 1,653,208.83
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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.