Finding the Fourth Proportional to 1,686,344.68, 2,327,106.18 and 922,381.72
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Solution
The fourth proportional to 1,686,344.68, 2,327,106.18 and 922,381.72 is: 1,272,859.71
Step by Step Solution
- Step 1: Write the proportion equation
1,686,344.68 : 2,327,106.18 = 922,381.72 : x - Step 2: Convert to fraction form
1,686,344.68/2,327,106.18 = 922,381.72/x - Step 3: Cross multiply
1,686,344.68x = 2,327,106.18 × 922,381.72 - Step 4: Simplify right side
1,686,344.68x = 2,146,480,200,931.03 - Step 5: Solve for x
x = 2,146,480,200,931.03/1,686,344.68 - Step 6: Final answer
x = 1,272,859.71
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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.