Finding the Fourth Proportional to 1,419,516.40, 2,125,775.40 and 943,625.20
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Solution
The fourth proportional to 1,419,516.40, 2,125,775.40 and 943,625.20 is: 1,413,111.70
Step by Step Solution
- Step 1: Write the proportion equation
1,419,516.40 : 2,125,775.40 = 943,625.20 : x - Step 2: Convert to fraction form
1,419,516.40/2,125,775.40 = 943,625.20/x - Step 3: Cross multiply
1,419,516.40x = 2,125,775.40 × 943,625.20 - Step 4: Simplify right side
1,419,516.40x = 2,005,935,236,980.08 - Step 5: Solve for x
x = 2,005,935,236,980.08/1,419,516.40 - Step 6: Final answer
x = 1,413,111.70
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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.