Finding the Fourth Proportional to 2,269,028.63, 3,131,260.04 and 1,236,536.71
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Solution
The fourth proportional to 2,269,028.63, 3,131,260.04 and 1,236,536.71 is: 1,706,420.94
Step by Step Solution
- Step 1: Write the proportion equation
2,269,028.63 : 3,131,260.04 = 1,236,536.71 : x - Step 2: Convert to fraction form
2,269,028.63/3,131,260.04 = 1,236,536.71/x - Step 3: Cross multiply
2,269,028.63x = 3,131,260.04 × 1,236,536.71 - Step 4: Simplify right side
2,269,028.63x = 3,871,917,983,279.26 - Step 5: Solve for x
x = 3,871,917,983,279.26/2,269,028.63 - Step 6: Final answer
x = 1,706,420.94
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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.