Finding the Fourth Proportional to 5,651,780.40, 8,475,046.20 and 2,455,261.20
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Solution
The fourth proportional to 5,651,780.40, 8,475,046.20 and 2,455,261.20 is: 3,681,751.70
Step by Step Solution
- Step 1: Write the proportion equation
5,651,780.40 : 8,475,046.20 = 2,455,261.20 : x - Step 2: Convert to fraction form
5,651,780.40/8,475,046.20 = 2,455,261.20/x - Step 3: Cross multiply
5,651,780.40x = 8,475,046.20 × 2,455,261.20 - Step 4: Simplify right side
5,651,780.40x = 20,808,452,103,067.44 - Step 5: Solve for x
x = 20,808,452,103,067.44/5,651,780.40 - Step 6: Final answer
x = 3,681,751.70
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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.