Finding the Fourth Proportional to 3,980,014.08, 5,492,566.24 and 2,261,425.68
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Solution
The fourth proportional to 3,980,014.08, 5,492,566.24 and 2,261,425.68 is: 3,120,850.85
Step by Step Solution
- Step 1: Write the proportion equation
3,980,014.08 : 5,492,566.24 = 2,261,425.68 : x - Step 2: Convert to fraction form
3,980,014.08/5,492,566.24 = 2,261,425.68/x - Step 3: Cross multiply
3,980,014.08x = 5,492,566.24 × 2,261,425.68 - Step 4: Simplify right side
3,980,014.08x = 12,421,030,344,237.04 - Step 5: Solve for x
x = 12,421,030,344,237.04/3,980,014.08 - Step 6: Final answer
x = 3,120,850.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.