Finding the Fourth Proportional to 1,686,838.74, 2,327,871.08 and 922,908.72
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Solution
The fourth proportional to 1,686,838.74, 2,327,871.08 and 922,908.72 is: 1,273,632.43
Step by Step Solution
- Step 1: Write the proportion equation
1,686,838.74 : 2,327,871.08 = 922,908.72 : x - Step 2: Convert to fraction form
1,686,838.74/2,327,871.08 = 922,908.72/x - Step 3: Cross multiply
1,686,838.74x = 2,327,871.08 × 922,908.72 - Step 4: Simplify right side
1,686,838.74x = 2,148,412,518,767.82 - Step 5: Solve for x
x = 2,148,412,518,767.82/1,686,838.74 - Step 6: Final answer
x = 1,273,632.43
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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.