Finding the Fourth Proportional to 3,486,471.05, 4,811,901.09 and 2,904,771.68
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Solution
The fourth proportional to 3,486,471.05, 4,811,901.09 and 2,904,771.68 is: 4,009,060.68
Step by Step Solution
- Step 1: Write the proportion equation
3,486,471.05 : 4,811,901.09 = 2,904,771.68 : x - Step 2: Convert to fraction form
3,486,471.05/4,811,901.09 = 2,904,771.68/x - Step 3: Cross multiply
3,486,471.05x = 4,811,901.09 × 2,904,771.68 - Step 4: Simplify right side
3,486,471.05x = 13,977,473,996,285.36 - Step 5: Solve for x
x = 13,977,473,996,285.36/3,486,471.05 - Step 6: Final answer
x = 4,009,060.68
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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.