Finding the Fourth Proportional to 2,289,116.09, 3,433,639.21 and 773,863.42
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Solution
The fourth proportional to 2,289,116.09, 3,433,639.21 and 773,863.42 is: 1,160,783.32
Step by Step Solution
- Step 1: Write the proportion equation
2,289,116.09 : 3,433,639.21 = 773,863.42 : x - Step 2: Convert to fraction form
2,289,116.09/3,433,639.21 = 773,863.42/x - Step 3: Cross multiply
2,289,116.09x = 3,433,639.21 × 773,863.42 - Step 4: Simplify right side
2,289,116.09x = 2,657,167,778,016.02 - Step 5: Solve for x
x = 2,657,167,778,016.02/2,289,116.09 - Step 6: Final answer
x = 1,160,783.32
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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.