Finding the Fourth Proportional to 4,320,453.12, 6,480,599.49 and 1,289,873.76
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Solution
The fourth proportional to 4,320,453.12, 6,480,599.49 and 1,289,873.76 is: 1,934,786.70
Step by Step Solution
- Step 1: Write the proportion equation
4,320,453.12 : 6,480,599.49 = 1,289,873.76 : x - Step 2: Convert to fraction form
4,320,453.12/6,480,599.49 = 1,289,873.76/x - Step 3: Cross multiply
4,320,453.12x = 6,480,599.49 × 1,289,873.76 - Step 4: Simplify right side
4,320,453.12x = 8,359,155,231,220.38 - Step 5: Solve for x
x = 8,359,155,231,220.38/4,320,453.12 - Step 6: Final answer
x = 1,934,786.70
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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.