Finding the Fourth Proportional to 5,237,773.44, 7,856,992.35 and 1,643,682.12
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Solution
The fourth proportional to 5,237,773.44, 7,856,992.35 and 1,643,682.12 is: 2,465,627.43
Step by Step Solution
- Step 1: Write the proportion equation
5,237,773.44 : 7,856,992.35 = 1,643,682.12 : x - Step 2: Convert to fraction form
5,237,773.44/7,856,992.35 = 1,643,682.12/x - Step 3: Cross multiply
5,237,773.44x = 7,856,992.35 × 1,643,682.12 - Step 4: Simplify right side
5,237,773.44x = 12,914,397,842,671.78 - Step 5: Solve for x
x = 12,914,397,842,671.78/5,237,773.44 - Step 6: Final answer
x = 2,465,627.43
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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.