Finding the Fourth Proportional to 1,726,824.40, 2,589,007.80 and 661,454.80
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Solution
The fourth proportional to 1,726,824.40, 2,589,007.80 and 661,454.80 is: 991,711.51
Step by Step Solution
- Step 1: Write the proportion equation
1,726,824.40 : 2,589,007.80 = 661,454.80 : x - Step 2: Convert to fraction form
1,726,824.40/2,589,007.80 = 661,454.80/x - Step 3: Cross multiply
1,726,824.40x = 2,589,007.80 × 661,454.80 - Step 4: Simplify right side
1,726,824.40x = 1,712,511,636,547.44 - Step 5: Solve for x
x = 1,712,511,636,547.44/1,726,824.40 - Step 6: Final answer
x = 991,711.51
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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.