Finding the Fourth Proportional to 3,286,369.07, 4,534,412.07 and 1,908,894.28
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Solution
The fourth proportional to 3,286,369.07, 4,534,412.07 and 1,908,894.28 is: 2,633,822.64
Step by Step Solution
- Step 1: Write the proportion equation
3,286,369.07 : 4,534,412.07 = 1,908,894.28 : x - Step 2: Convert to fraction form
3,286,369.07/4,534,412.07 = 1,908,894.28/x - Step 3: Cross multiply
3,286,369.07x = 4,534,412.07 × 1,908,894.28 - Step 4: Simplify right side
3,286,369.07x = 8,655,713,263,585.96 - Step 5: Solve for x
x = 8,655,713,263,585.96/3,286,369.07 - Step 6: Final answer
x = 2,633,822.64
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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.