Finding the Fourth Proportional to 1,686,126.16, 2,326,824.84 and 922,162.96
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Solution
The fourth proportional to 1,686,126.16, 2,326,824.84 and 922,162.96 is: 1,272,568.88
Step by Step Solution
- Step 1: Write the proportion equation
1,686,126.16 : 2,326,824.84 = 922,162.96 : x - Step 2: Convert to fraction form
1,686,126.16/2,326,824.84 = 922,162.96/x - Step 3: Cross multiply
1,686,126.16x = 2,326,824.84 × 922,162.96 - Step 4: Simplify right side
1,686,126.16x = 2,145,711,681,855.93 - Step 5: Solve for x
x = 2,145,711,681,855.93/1,686,126.16 - Step 6: Final answer
x = 1,272,568.88
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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.