Finding the Fourth Proportional to 1,790,424.80, 2,470,786.49 and 974,634.67
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Solution
The fourth proportional to 1,790,424.80, 2,470,786.49 and 974,634.67 is: 1,344,995.99
Step by Step Solution
- Step 1: Write the proportion equation
1,790,424.80 : 2,470,786.49 = 974,634.67 : x - Step 2: Convert to fraction form
1,790,424.80/2,470,786.49 = 974,634.67/x - Step 3: Cross multiply
1,790,424.80x = 2,470,786.49 × 974,634.67 - Step 4: Simplify right side
1,790,424.80x = 2,408,114,173,627.05 - Step 5: Solve for x
x = 2,408,114,173,627.05/1,790,424.80 - Step 6: Final answer
x = 1,344,995.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.