Finding the Fourth Proportional to 2,517,928.80, 3,474,633.09 and 1,430,196.99
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Solution
The fourth proportional to 2,517,928.80, 3,474,633.09 and 1,430,196.99 is: 1,973,610.13
Step by Step Solution
- Step 1: Write the proportion equation
2,517,928.80 : 3,474,633.09 = 1,430,196.99 : x - Step 2: Convert to fraction form
2,517,928.80/3,474,633.09 = 1,430,196.99/x - Step 3: Cross multiply
2,517,928.80x = 3,474,633.09 × 1,430,196.99 - Step 4: Simplify right side
2,517,928.80x = 4,969,409,786,672.40 - Step 5: Solve for x
x = 4,969,409,786,672.40/2,517,928.80 - Step 6: Final answer
x = 1,973,610.13
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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.