Finding the Fourth Proportional to 4,158,542.40, 6,237,813.60 and 2,555,908.80
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Solution
The fourth proportional to 4,158,542.40, 6,237,813.60 and 2,555,908.80 is: 3,833,863.20
Step by Step Solution
- Step 1: Write the proportion equation
4,158,542.40 : 6,237,813.60 = 2,555,908.80 : x - Step 2: Convert to fraction form
4,158,542.40/6,237,813.60 = 2,555,908.80/x - Step 3: Cross multiply
4,158,542.40x = 6,237,813.60 × 2,555,908.80 - Step 4: Simplify right side
4,158,542.40x = 15,943,282,672,999.68 - Step 5: Solve for x
x = 15,943,282,672,999.68/4,158,542.40 - Step 6: Final answer
x = 3,833,863.20
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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.