Finding the Fourth Proportional to 5,518,660.41, 7,611,453.77 and 4,705,562.97
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Solution
The fourth proportional to 5,518,660.41, 7,611,453.77 and 4,705,562.97 is: 6,490,012.49
Step by Step Solution
- Step 1: Write the proportion equation
5,518,660.41 : 7,611,453.77 = 4,705,562.97 : x - Step 2: Convert to fraction form
5,518,660.41/7,611,453.77 = 4,705,562.97/x - Step 3: Cross multiply
5,518,660.41x = 7,611,453.77 × 4,705,562.97 - Step 4: Simplify right side
5,518,660.41x = 35,816,174,984,451.08 - Step 5: Solve for x
x = 35,816,174,984,451.08/5,518,660.41 - Step 6: Final answer
x = 6,490,012.49
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1.5x scale
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.