Finding the Fourth Proportional to 4,416,615.60, 6,628,811.40 and 2,617,249.20
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Solution
The fourth proportional to 4,416,615.60, 6,628,811.40 and 2,617,249.20 is: 3,928,177.80
Step by Step Solution
- Step 1: Write the proportion equation
4,416,615.60 : 6,628,811.40 = 2,617,249.20 : x - Step 2: Convert to fraction form
4,416,615.60/6,628,811.40 = 2,617,249.20/x - Step 3: Cross multiply
4,416,615.60x = 6,628,811.40 × 2,617,249.20 - Step 4: Simplify right side
4,416,615.60x = 17,349,251,333,600.88 - Step 5: Solve for x
x = 17,349,251,333,600.88/4,416,615.60 - Step 6: Final answer
x = 3,928,177.80
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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.