Finding the Fourth Proportional to 1,618,785.20, 2,426,233.80 and 671,668.40
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Solution
The fourth proportional to 1,618,785.20, 2,426,233.80 and 671,668.40 is: 1,006,695.99
Step by Step Solution
- Step 1: Write the proportion equation
1,618,785.20 : 2,426,233.80 = 671,668.40 : x - Step 2: Convert to fraction form
1,618,785.20/2,426,233.80 = 671,668.40/x - Step 3: Cross multiply
1,618,785.20x = 2,426,233.80 × 671,668.40 - Step 4: Simplify right side
1,618,785.20x = 1,629,624,574,471.92 - Step 5: Solve for x
x = 1,629,624,574,471.92/1,618,785.20 - Step 6: Final answer
x = 1,006,695.99
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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.