Finding the Fourth Proportional to 6,440,546.65, 8,888,795.27 and 4,155,355.21
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Solution
The fourth proportional to 6,440,546.65, 8,888,795.27 and 4,155,355.21 is: 5,734,932.72
Step by Step Solution
- Step 1: Write the proportion equation
6,440,546.65 : 8,888,795.27 = 4,155,355.21 : x - Step 2: Convert to fraction form
6,440,546.65/8,888,795.27 = 4,155,355.21/x - Step 3: Cross multiply
6,440,546.65x = 8,888,795.27 × 4,155,355.21 - Step 4: Simplify right side
6,440,546.65x = 36,936,101,715,041.09 - Step 5: Solve for x
x = 36,936,101,715,041.09/6,440,546.65 - Step 6: Final answer
x = 5,734,932.72
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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.