Finding the Fourth Proportional to 2,515,039.56, 3,471,232.95 and 1,427,412.96
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Solution
The fourth proportional to 2,515,039.56, 3,471,232.95 and 1,427,412.96 is: 1,970,101.38
Step by Step Solution
- Step 1: Write the proportion equation
2,515,039.56 : 3,471,232.95 = 1,427,412.96 : x - Step 2: Convert to fraction form
2,515,039.56/3,471,232.95 = 1,427,412.96/x - Step 3: Cross multiply
2,515,039.56x = 3,471,232.95 × 1,427,412.96 - Step 4: Simplify right side
2,515,039.56x = 4,954,882,900,009.03 - Step 5: Solve for x
x = 4,954,882,900,009.03/2,515,039.56 - Step 6: Final answer
x = 1,970,101.38
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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.