Finding the Fourth Proportional to 2,102,036.15, 2,900,809.85 and 1,135,166.42
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Solution
The fourth proportional to 2,102,036.15, 2,900,809.85 and 1,135,166.42 is: 1,566,529.64
Step by Step Solution
- Step 1: Write the proportion equation
2,102,036.15 : 2,900,809.85 = 1,135,166.42 : x - Step 2: Convert to fraction form
2,102,036.15/2,900,809.85 = 1,135,166.42/x - Step 3: Cross multiply
2,102,036.15x = 2,900,809.85 × 1,135,166.42 - Step 4: Simplify right side
2,102,036.15x = 3,292,901,932,525.24 - Step 5: Solve for x
x = 3,292,901,932,525.24/2,102,036.15 - Step 6: Final answer
x = 1,566,529.64
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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.