Finding the Fourth Proportional to 7,242,433.80, 10,863,650.70 and 3,883,201.80
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Solution
The fourth proportional to 7,242,433.80, 10,863,650.70 and 3,883,201.80 is: 5,824,802.70
Step by Step Solution
- Step 1: Write the proportion equation
7,242,433.80 : 10,863,650.70 = 3,883,201.80 : x - Step 2: Convert to fraction form
7,242,433.80/10,863,650.70 = 3,883,201.80/x - Step 3: Cross multiply
7,242,433.80x = 10,863,650.70 × 3,883,201.80 - Step 4: Simplify right side
7,242,433.80x = 42,185,747,952,811.26 - Step 5: Solve for x
x = 42,185,747,952,811.26/7,242,433.80 - Step 6: Final answer
x = 5,824,802.70
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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.