Finding the Fourth Proportional to 4,477,510.20, 6,179,135.40 and 2,440,319.70
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Solution
The fourth proportional to 4,477,510.20, 6,179,135.40 and 2,440,319.70 is: 3,367,734.56
Step by Step Solution
- Step 1: Write the proportion equation
4,477,510.20 : 6,179,135.40 = 2,440,319.70 : x - Step 2: Convert to fraction form
4,477,510.20/6,179,135.40 = 2,440,319.70/x - Step 3: Cross multiply
4,477,510.20x = 6,179,135.40 × 2,440,319.70 - Step 4: Simplify right side
4,477,510.20x = 15,079,065,845,587.38 - Step 5: Solve for x
x = 15,079,065,845,587.38/4,477,510.20 - Step 6: Final answer
x = 3,367,734.56
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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.