Finding the Fourth Proportional to 5,702,485.38, 7,869,363.21 and 3,088,940.19
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Solution
The fourth proportional to 5,702,485.38, 7,869,363.21 and 3,088,940.19 is: 4,262,701.38
Step by Step Solution
- Step 1: Write the proportion equation
5,702,485.38 : 7,869,363.21 = 3,088,940.19 : x - Step 2: Convert to fraction form
5,702,485.38/7,869,363.21 = 3,088,940.19/x - Step 3: Cross multiply
5,702,485.38x = 7,869,363.21 × 3,088,940.19 - Step 4: Simplify right side
5,702,485.38x = 24,307,992,289,076.41 - Step 5: Solve for x
x = 24,307,992,289,076.41/5,702,485.38 - Step 6: Final answer
x = 4,262,701.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.