Finding the Fourth Proportional to 5,341,463.52, 7,370,979.12 and 2,926,963.68
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Solution
The fourth proportional to 5,341,463.52, 7,370,979.12 and 2,926,963.68 is: 4,039,078.07
Step by Step Solution
- Step 1: Write the proportion equation
5,341,463.52 : 7,370,979.12 = 2,926,963.68 : x - Step 2: Convert to fraction form
5,341,463.52/7,370,979.12 = 2,926,963.68/x - Step 3: Cross multiply
5,341,463.52x = 7,370,979.12 × 2,926,963.68 - Step 4: Simplify right side
5,341,463.52x = 21,574,588,170,278.36 - Step 5: Solve for x
x = 21,574,588,170,278.36/5,341,463.52 - Step 6: Final answer
x = 4,039,078.07
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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.