Finding the Fourth Proportional to 2,685,534.14, 4,028,261.63 and 663,778.19
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Solution
The fourth proportional to 2,685,534.14, 4,028,261.63 and 663,778.19 is: 995,657.50
Step by Step Solution
- Step 1: Write the proportion equation
2,685,534.14 : 4,028,261.63 = 663,778.19 : x - Step 2: Convert to fraction form
2,685,534.14/4,028,261.63 = 663,778.19/x - Step 3: Cross multiply
2,685,534.14x = 4,028,261.63 × 663,778.19 - Step 4: Simplify right side
2,685,534.14x = 2,673,872,220,359.61 - Step 5: Solve for x
x = 2,673,872,220,359.61/2,685,534.14 - Step 6: Final answer
x = 995,657.50
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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.