Finding the Fourth Proportional to 2,510,489.70, 3,466,144.14 and 1,928,676.66
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Solution
The fourth proportional to 2,510,489.70, 3,466,144.14 and 1,928,676.66 is: 2,662,855.50
Step by Step Solution
- Step 1: Write the proportion equation
2,510,489.70 : 3,466,144.14 = 1,928,676.66 : x - Step 2: Convert to fraction form
2,510,489.70/3,466,144.14 = 1,928,676.66/x - Step 3: Cross multiply
2,510,489.70x = 3,466,144.14 × 1,928,676.66 - Step 4: Simplify right side
2,510,489.70x = 6,685,071,303,013.77 - Step 5: Solve for x
x = 6,685,071,303,013.77/2,510,489.70 - Step 6: Final answer
x = 2,662,855.50
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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.