Finding the Fourth Proportional to 3,983,764.80, 5,968,519.20 and 2,422,948.80
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Solution
The fourth proportional to 3,983,764.80, 5,968,519.20 and 2,422,948.80 is: 3,630,087.91
Step by Step Solution
- Step 1: Write the proportion equation
3,983,764.80 : 5,968,519.20 = 2,422,948.80 : x - Step 2: Convert to fraction form
3,983,764.80/5,968,519.20 = 2,422,948.80/x - Step 3: Cross multiply
3,983,764.80x = 5,968,519.20 × 2,422,948.80 - Step 4: Simplify right side
3,983,764.80x = 14,461,416,433,416.96 - Step 5: Solve for x
x = 14,461,416,433,416.96/3,983,764.80 - Step 6: Final answer
x = 3,630,087.91
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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.