Finding the Fourth Proportional to 4,974,652.88, 6,864,410.60 and 3,138,418.64
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Solution
The fourth proportional to 4,974,652.88, 6,864,410.60 and 3,138,418.64 is: 4,330,632.65
Step by Step Solution
- Step 1: Write the proportion equation
4,974,652.88 : 6,864,410.60 = 3,138,418.64 : x - Step 2: Convert to fraction form
4,974,652.88/6,864,410.60 = 3,138,418.64/x - Step 3: Cross multiply
4,974,652.88x = 6,864,410.60 × 3,138,418.64 - Step 4: Simplify right side
4,974,652.88x = 21,543,394,179,653.58 - Step 5: Solve for x
x = 21,543,394,179,653.58/4,974,652.88 - Step 6: Final answer
x = 4,330,632.65
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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.