Finding the Fourth Proportional to 2,015,588.20, 2,781,406.74 and 1,251,625.48
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Solution
The fourth proportional to 2,015,588.20, 2,781,406.74 and 1,251,625.48 is: 1,727,177.98
Step by Step Solution
- Step 1: Write the proportion equation
2,015,588.20 : 2,781,406.74 = 1,251,625.48 : x - Step 2: Convert to fraction form
2,015,588.20/2,781,406.74 = 1,251,625.48/x - Step 3: Cross multiply
2,015,588.20x = 2,781,406.74 × 1,251,625.48 - Step 4: Simplify right side
2,015,588.20x = 3,481,279,546,027.74 - Step 5: Solve for x
x = 3,481,279,546,027.74/2,015,588.20 - Step 6: Final answer
x = 1,727,177.98
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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.