Finding the Fourth Proportional to 3,983,343.12, 5,496,987.60 and 2,264,464.08
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Solution
The fourth proportional to 3,983,343.12, 5,496,987.60 and 2,264,464.08 is: 3,124,945.70
Step by Step Solution
- Step 1: Write the proportion equation
3,983,343.12 : 5,496,987.60 = 2,264,464.08 : x - Step 2: Convert to fraction form
3,983,343.12/5,496,987.60 = 2,264,464.08/x - Step 3: Cross multiply
3,983,343.12x = 5,496,987.60 × 2,264,464.08 - Step 4: Simplify right side
3,983,343.12x = 12,447,730,968,405.41 - Step 5: Solve for x
x = 12,447,730,968,405.41/3,983,343.12 - Step 6: Final answer
x = 3,124,945.70
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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.