Finding the Fourth Proportional to 3,570,566.12, 4,930,744.14 and 2,485,803.79
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Solution
The fourth proportional to 3,570,566.12, 4,930,744.14 and 2,485,803.79 is: 3,432,750.46
Step by Step Solution
- Step 1: Write the proportion equation
3,570,566.12 : 4,930,744.14 = 2,485,803.79 : x - Step 2: Convert to fraction form
3,570,566.12/4,930,744.14 = 2,485,803.79/x - Step 3: Cross multiply
3,570,566.12x = 4,930,744.14 × 2,485,803.79 - Step 4: Simplify right side
3,570,566.12x = 12,256,862,458,405.43 - Step 5: Solve for x
x = 12,256,862,458,405.43/3,570,566.12 - Step 6: Final answer
x = 3,432,750.46
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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.