Finding the Fourth Proportional to 4,775,783.60, 7,163,675.40 and 3,264,129.20
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Solution
The fourth proportional to 4,775,783.60, 7,163,675.40 and 3,264,129.20 is: 4,896,193.80
Step by Step Solution
- Step 1: Write the proportion equation
4,775,783.60 : 7,163,675.40 = 3,264,129.20 : x - Step 2: Convert to fraction form
4,775,783.60/7,163,675.40 = 3,264,129.20/x - Step 3: Cross multiply
4,775,783.60x = 7,163,675.40 × 3,264,129.20 - Step 4: Simplify right side
4,775,783.60x = 23,383,162,052,461.68 - Step 5: Solve for x
x = 23,383,162,052,461.68/4,775,783.60 - Step 6: Final answer
x = 4,896,193.80
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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.