Finding the Fourth Proportional to 1,289,320.99, 1,933,981.49 and 447,873.55
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Solution
The fourth proportional to 1,289,320.99, 1,933,981.49 and 447,873.55 is: 671,810.33
Step by Step Solution
- Step 1: Write the proportion equation
1,289,320.99 : 1,933,981.49 = 447,873.55 : x - Step 2: Convert to fraction form
1,289,320.99/1,933,981.49 = 447,873.55/x - Step 3: Cross multiply
1,289,320.99x = 1,933,981.49 × 447,873.55 - Step 4: Simplify right side
1,289,320.99x = 866,179,155,560.59 - Step 5: Solve for x
x = 866,179,155,560.59/1,289,320.99 - Step 6: Final answer
x = 671,810.33
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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.