Finding the Fourth Proportional to 5,430,029.40, 8,149,636.80 and 2,237,446.80
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Solution
The fourth proportional to 5,430,029.40, 8,149,636.80 and 2,237,446.80 is: 3,358,062.62
Step by Step Solution
- Step 1: Write the proportion equation
5,430,029.40 : 8,149,636.80 = 2,237,446.80 : x - Step 2: Convert to fraction form
5,430,029.40/8,149,636.80 = 2,237,446.80/x - Step 3: Cross multiply
5,430,029.40x = 8,149,636.80 × 2,237,446.80 - Step 4: Simplify right side
5,430,029.40x = 18,234,378,779,322.24 - Step 5: Solve for x
x = 18,234,378,779,322.24/5,430,029.40 - Step 6: Final answer
x = 3,358,062.62
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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.