Finding the Fourth Proportional to 1,926,819.36, 2,655,911.70 and 1,306,423.62
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Solution
The fourth proportional to 1,926,819.36, 2,655,911.70 and 1,306,423.62 is: 1,800,763.40
Step by Step Solution
- Step 1: Write the proportion equation
1,926,819.36 : 2,655,911.70 = 1,306,423.62 : x - Step 2: Convert to fraction form
1,926,819.36/2,655,911.70 = 1,306,423.62/x - Step 3: Cross multiply
1,926,819.36x = 2,655,911.70 × 1,306,423.62 - Step 4: Simplify right side
1,926,819.36x = 3,469,745,777,514.35 - Step 5: Solve for x
x = 3,469,745,777,514.35/1,926,819.36 - Step 6: Final answer
x = 1,800,763.40
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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.