Finding the Fourth Proportional to 5,364,154.70, 8,046,232.05 and 1,320,610.40
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Solution
The fourth proportional to 5,364,154.70, 8,046,232.05 and 1,320,610.40 is: 1,980,915.60
Step by Step Solution
- Step 1: Write the proportion equation
5,364,154.70 : 8,046,232.05 = 1,320,610.40 : x - Step 2: Convert to fraction form
5,364,154.70/8,046,232.05 = 1,320,610.40/x - Step 3: Cross multiply
5,364,154.70x = 8,046,232.05 × 1,320,610.40 - Step 4: Simplify right side
5,364,154.70x = 10,625,937,726,043.32 - Step 5: Solve for x
x = 10,625,937,726,043.32/5,364,154.70 - Step 6: Final answer
x = 1,980,915.60
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1.5x scale
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.