Finding the Fourth Proportional to 4,886,170.71, 6,740,114.11 and 3,047,436.74
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Solution
The fourth proportional to 4,886,170.71, 6,740,114.11 and 3,047,436.74 is: 4,203,715.45
Step by Step Solution
- Step 1: Write the proportion equation
4,886,170.71 : 6,740,114.11 = 3,047,436.74 : x - Step 2: Convert to fraction form
4,886,170.71/6,740,114.11 = 3,047,436.74/x - Step 3: Cross multiply
4,886,170.71x = 6,740,114.11 × 3,047,436.74 - Step 4: Simplify right side
4,886,170.71x = 20,540,071,329,287.24 - Step 5: Solve for x
x = 20,540,071,329,287.24/4,886,170.71 - Step 6: Final answer
x = 4,203,715.45
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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.