Finding the Fourth Proportional to 5,042,423.63, 7,563,701.25 and 1,676,630.63
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Solution
The fourth proportional to 5,042,423.63, 7,563,701.25 and 1,676,630.63 is: 2,514,967.82
Step by Step Solution
- Step 1: Write the proportion equation
5,042,423.63 : 7,563,701.25 = 1,676,630.63 : x - Step 2: Convert to fraction form
5,042,423.63/7,563,701.25 = 1,676,630.63/x - Step 3: Cross multiply
5,042,423.63x = 7,563,701.25 × 1,676,630.63 - Step 4: Simplify right side
5,042,423.63x = 12,681,533,154,100.78 - Step 5: Solve for x
x = 12,681,533,154,100.78/5,042,423.63 - Step 6: Final answer
x = 2,514,967.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.