Finding the Fourth Proportional to 2,975,184.74, 4,105,841.55 and 1,685,982.26
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Solution
The fourth proportional to 2,975,184.74, 4,105,841.55 and 1,685,982.26 is: 2,326,704.60
Step by Step Solution
- Step 1: Write the proportion equation
2,975,184.74 : 4,105,841.55 = 1,685,982.26 : x - Step 2: Convert to fraction form
2,975,184.74/4,105,841.55 = 1,685,982.26/x - Step 3: Cross multiply
2,975,184.74x = 4,105,841.55 × 1,685,982.26 - Step 4: Simplify right side
2,975,184.74x = 6,922,376,025,935.51 - Step 5: Solve for x
x = 6,922,376,025,935.51/2,975,184.74 - Step 6: Final answer
x = 2,326,704.60
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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.