Finding the Fourth Proportional to 1,821,438.81, 2,731,970.94 and 606,884.24
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Solution
The fourth proportional to 1,821,438.81, 2,731,970.94 and 606,884.24 is: 910,263.95
Step by Step Solution
- Step 1: Write the proportion equation
1,821,438.81 : 2,731,970.94 = 606,884.24 : x - Step 2: Convert to fraction form
1,821,438.81/2,731,970.94 = 606,884.24/x - Step 3: Cross multiply
1,821,438.81x = 2,731,970.94 × 606,884.24 - Step 4: Simplify right side
1,821,438.81x = 1,657,990,093,964.13 - Step 5: Solve for x
x = 1,657,990,093,964.13/1,821,438.81 - Step 6: Final answer
x = 910,263.95
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1.5x scale
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.