Finding the Fourth Proportional to 4,251,844.80, 5,867,580.20 and 2,318,119.47
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Solution
The fourth proportional to 4,251,844.80, 5,867,580.20 and 2,318,119.47 is: 3,199,023.61
Step by Step Solution
- Step 1: Write the proportion equation
4,251,844.80 : 5,867,580.20 = 2,318,119.47 : x - Step 2: Convert to fraction form
4,251,844.80/5,867,580.20 = 2,318,119.47/x - Step 3: Cross multiply
4,251,844.80x = 5,867,580.20 × 2,318,119.47 - Step 4: Simplify right side
4,251,844.80x = 13,601,751,891,815.90 - Step 5: Solve for x
x = 13,601,751,891,815.90/4,251,844.80 - Step 6: Final answer
x = 3,199,023.61
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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.