Finding the Fourth Proportional to 7,023,545.41, 10,535,322.21 and 1,974,855.91
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Solution
The fourth proportional to 7,023,545.41, 10,535,322.21 and 1,974,855.91 is: 2,962,285.02
Step by Step Solution
- Step 1: Write the proportion equation
7,023,545.41 : 10,535,322.21 = 1,974,855.91 : x - Step 2: Convert to fraction form
7,023,545.41/10,535,322.21 = 1,974,855.91/x - Step 3: Cross multiply
7,023,545.41x = 10,535,322.21 × 1,974,855.91 - Step 4: Simplify right side
7,023,545.41x = 20,805,743,330,172.76 - Step 5: Solve for x
x = 20,805,743,330,172.76/7,023,545.41 - Step 6: Final answer
x = 2,962,285.02
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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.