Finding the Fourth Proportional to 2,055,652.05, 2,836,765.50 and 1,137,861.51
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Solution
The fourth proportional to 2,055,652.05, 2,836,765.50 and 1,137,861.51 is: 1,570,229.88
Step by Step Solution
- Step 1: Write the proportion equation
2,055,652.05 : 2,836,765.50 = 1,137,861.51 : x - Step 2: Convert to fraction form
2,055,652.05/2,836,765.50 = 1,137,861.51/x - Step 3: Cross multiply
2,055,652.05x = 2,836,765.50 × 1,137,861.51 - Step 4: Simplify right side
2,055,652.05x = 3,227,846,275,345.91 - Step 5: Solve for x
x = 3,227,846,275,345.91/2,055,652.05 - Step 6: Final answer
x = 1,570,229.88
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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.