Finding the Fourth Proportional to 7,354,568.56, 11,031,816.12 and 1,889,658.40
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Solution
The fourth proportional to 7,354,568.56, 11,031,816.12 and 1,889,658.40 is: 2,834,478.17
Step by Step Solution
- Step 1: Write the proportion equation
7,354,568.56 : 11,031,816.12 = 1,889,658.40 : x - Step 2: Convert to fraction form
7,354,568.56/11,031,816.12 = 1,889,658.40/x - Step 3: Cross multiply
7,354,568.56x = 11,031,816.12 × 1,889,658.40 - Step 4: Simplify right side
7,354,568.56x = 20,846,363,998,413.41 - Step 5: Solve for x
x = 20,846,363,998,413.41/7,354,568.56 - Step 6: Final answer
x = 2,834,478.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.