Finding the Fourth Proportional to 2,086,288.60, 2,876,251.26 and 1,783,616.08
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Solution
The fourth proportional to 2,086,288.60, 2,876,251.26 and 1,783,616.08 is: 2,458,973.32
Step by Step Solution
- Step 1: Write the proportion equation
2,086,288.60 : 2,876,251.26 = 1,783,616.08 : x - Step 2: Convert to fraction form
2,086,288.60/2,876,251.26 = 1,783,616.08/x - Step 3: Cross multiply
2,086,288.60x = 2,876,251.26 × 1,783,616.08 - Step 4: Simplify right side
2,086,288.60x = 5,130,127,997,456.26 - Step 5: Solve for x
x = 5,130,127,997,456.26/2,086,288.60 - Step 6: Final answer
x = 2,458,973.32
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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.