Finding the Fourth Proportional to 6,261,133.20, 9,403,104.60 and 5,477,312.40
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Solution
The fourth proportional to 6,261,133.20, 9,403,104.60 and 5,477,312.40 is: 8,225,945.65
Step by Step Solution
- Step 1: Write the proportion equation
6,261,133.20 : 9,403,104.60 = 5,477,312.40 : x - Step 2: Convert to fraction form
6,261,133.20/9,403,104.60 = 5,477,312.40/x - Step 3: Cross multiply
6,261,133.20x = 9,403,104.60 × 5,477,312.40 - Step 4: Simplify right side
6,261,133.20x = 51,503,741,424,077.04 - Step 5: Solve for x
x = 51,503,741,424,077.04/6,261,133.20 - Step 6: Final answer
x = 8,225,945.65
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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.