Finding the Fourth Proportional to 3,109,244.93, 4,291,681.79 and 1,964,087.99
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Solution
The fourth proportional to 3,109,244.93, 4,291,681.79 and 1,964,087.99 is: 2,711,024.98
Step by Step Solution
- Step 1: Write the proportion equation
3,109,244.93 : 4,291,681.79 = 1,964,087.99 : x - Step 2: Convert to fraction form
3,109,244.93/4,291,681.79 = 1,964,087.99/x - Step 3: Cross multiply
3,109,244.93x = 4,291,681.79 × 1,964,087.99 - Step 4: Simplify right side
3,109,244.93x = 8,429,240,660,640.70 - Step 5: Solve for x
x = 8,429,240,660,640.70/3,109,244.93 - Step 6: Final answer
x = 2,711,024.98
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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.