Finding the Fourth Proportional to 7,416,983.60, 11,122,710.60 and 2,928,330.80
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Solution
The fourth proportional to 7,416,983.60, 11,122,710.60 and 2,928,330.80 is: 4,391,404.62
Step by Step Solution
- Step 1: Write the proportion equation
7,416,983.60 : 11,122,710.60 = 2,928,330.80 : x - Step 2: Convert to fraction form
7,416,983.60/11,122,710.60 = 2,928,330.80/x - Step 3: Cross multiply
7,416,983.60x = 11,122,710.60 × 2,928,330.80 - Step 4: Simplify right side
7,416,983.60x = 32,570,976,029,466.48 - Step 5: Solve for x
x = 32,570,976,029,466.48/7,416,983.60 - Step 6: Final answer
x = 4,391,404.62
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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.