Finding the Fourth Proportional to 5,674,805.20, 8,512,207.80 and 5,343,029.20
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Solution
The fourth proportional to 5,674,805.20, 8,512,207.80 and 5,343,029.20 is: 8,014,543.80
Step by Step Solution
- Step 1: Write the proportion equation
5,674,805.20 : 8,512,207.80 = 5,343,029.20 : x - Step 2: Convert to fraction form
5,674,805.20/8,512,207.80 = 5,343,029.20/x - Step 3: Cross multiply
5,674,805.20x = 8,512,207.80 × 5,343,029.20 - Step 4: Simplify right side
5,674,805.20x = 45,480,974,831,867.77 - Step 5: Solve for x
x = 45,480,974,831,867.77/5,674,805.20 - Step 6: Final answer
x = 8,014,543.80
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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.