Finding the Fourth Proportional to 3,163,565.30, 4,365,696.83 and 1,713,227.09
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Solution
The fourth proportional to 3,163,565.30, 4,365,696.83 and 1,713,227.09 is: 2,364,240.77
Step by Step Solution
- Step 1: Write the proportion equation
3,163,565.30 : 4,365,696.83 = 1,713,227.09 : x - Step 2: Convert to fraction form
3,163,565.30/4,365,696.83 = 1,713,227.09/x - Step 3: Cross multiply
3,163,565.30x = 4,365,696.83 × 1,713,227.09 - Step 4: Simplify right side
3,163,565.30x = 7,479,430,045,488.51 - Step 5: Solve for x
x = 7,479,430,045,488.51/3,163,565.30 - Step 6: Final answer
x = 2,364,240.77
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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.