Finding the Fourth Proportional to 4,118,404.21, 6,177,922.07 and 1,385,965.05
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Solution
The fourth proportional to 4,118,404.21, 6,177,922.07 and 1,385,965.05 is: 2,079,053.84
Step by Step Solution
- Step 1: Write the proportion equation
4,118,404.21 : 6,177,922.07 = 1,385,965.05 : x - Step 2: Convert to fraction form
4,118,404.21/6,177,922.07 = 1,385,965.05/x - Step 3: Cross multiply
4,118,404.21x = 6,177,922.07 × 1,385,965.05 - Step 4: Simplify right side
4,118,404.21x = 8,562,384,070,643.65 - Step 5: Solve for x
x = 8,562,384,070,643.65/4,118,404.21 - Step 6: Final answer
x = 2,079,053.84
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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.