Finding the Fourth Proportional to 3,240,023.60, 4,857,702.60 and 1,820,514.80
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Solution
The fourth proportional to 3,240,023.60, 4,857,702.60 and 1,820,514.80 is: 2,729,461.44
Step by Step Solution
- Step 1: Write the proportion equation
3,240,023.60 : 4,857,702.60 = 1,820,514.80 : x - Step 2: Convert to fraction form
3,240,023.60/4,857,702.60 = 1,820,514.80/x - Step 3: Cross multiply
3,240,023.60x = 4,857,702.60 × 1,820,514.80 - Step 4: Simplify right side
3,240,023.60x = 8,843,519,477,298.48 - Step 5: Solve for x
x = 8,843,519,477,298.48/3,240,023.60 - Step 6: Final answer
x = 2,729,461.44
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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.