Finding the Fourth Proportional to 2,298,550.08, 3,171,876.12 and 1,318,439.28
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Solution
The fourth proportional to 2,298,550.08, 3,171,876.12 and 1,318,439.28 is: 1,819,375.66
Step by Step Solution
- Step 1: Write the proportion equation
2,298,550.08 : 3,171,876.12 = 1,318,439.28 : x - Step 2: Convert to fraction form
2,298,550.08/3,171,876.12 = 1,318,439.28/x - Step 3: Cross multiply
2,298,550.08x = 3,171,876.12 × 1,318,439.28 - Step 4: Simplify right side
2,298,550.08x = 4,181,926,067,901.99 - Step 5: Solve for x
x = 4,181,926,067,901.99/2,298,550.08 - Step 6: Final answer
x = 1,819,375.66
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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.