Finding the Fourth Proportional to 3,896,322.40, 5,845,405.20 and 1,236,930.40
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Solution
The fourth proportional to 3,896,322.40, 5,845,405.20 and 1,236,930.40 is: 1,855,688.17
Step by Step Solution
- Step 1: Write the proportion equation
3,896,322.40 : 5,845,405.20 = 1,236,930.40 : x - Step 2: Convert to fraction form
3,896,322.40/5,845,405.20 = 1,236,930.40/x - Step 3: Cross multiply
3,896,322.40x = 5,845,405.20 × 1,236,930.40 - Step 4: Simplify right side
3,896,322.40x = 7,230,359,392,198.08 - Step 5: Solve for x
x = 7,230,359,392,198.08/3,896,322.40 - Step 6: Final answer
x = 1,855,688.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.