Finding the Fourth Proportional to 2,670,765.36, 4,003,348.68 and 986,794.80
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Solution
The fourth proportional to 2,670,765.36, 4,003,348.68 and 986,794.80 is: 1,479,157.89
Step by Step Solution
- Step 1: Write the proportion equation
2,670,765.36 : 4,003,348.68 = 986,794.80 : x - Step 2: Convert to fraction form
2,670,765.36/4,003,348.68 = 986,794.80/x - Step 3: Cross multiply
2,670,765.36x = 4,003,348.68 × 986,794.80 - Step 4: Simplify right side
2,670,765.36x = 3,950,483,660,010.86 - Step 5: Solve for x
x = 3,950,483,660,010.86/2,670,765.36 - Step 6: Final answer
x = 1,479,157.89
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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.