Finding the Fourth Proportional to 3,787,461.48, 5,226,615.99 and 2,068,588.92
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Solution
The fourth proportional to 3,787,461.48, 5,226,615.99 and 2,068,588.92 is: 2,854,608.55
Step by Step Solution
- Step 1: Write the proportion equation
3,787,461.48 : 5,226,615.99 = 2,068,588.92 : x - Step 2: Convert to fraction form
3,787,461.48/5,226,615.99 = 2,068,588.92/x - Step 3: Cross multiply
3,787,461.48x = 5,226,615.99 × 2,068,588.92 - Step 4: Simplify right side
3,787,461.48x = 10,811,719,926,008.83 - Step 5: Solve for x
x = 10,811,719,926,008.83/3,787,461.48 - Step 6: Final answer
x = 2,854,608.55
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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.