Finding the Fourth Proportional to 7,023,545.17, 10,535,321.84 and 1,974,855.67
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Solution
The fourth proportional to 7,023,545.17, 10,535,321.84 and 1,974,855.67 is: 2,962,284.65
Step by Step Solution
- Step 1: Write the proportion equation
7,023,545.17 : 10,535,321.84 = 1,974,855.67 : x - Step 2: Convert to fraction form
7,023,545.17/10,535,321.84 = 1,974,855.67/x - Step 3: Cross multiply
7,023,545.17x = 10,535,321.84 × 1,974,855.67 - Step 4: Simplify right side
7,023,545.17x = 20,805,740,034,786.25 - Step 5: Solve for x
x = 20,805,740,034,786.25/7,023,545.17 - Step 6: Final answer
x = 2,962,284.65
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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.