Finding the Fourth Proportional to 2,396,746.13, 3,307,608.07 and 1,378,150.88
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Solution
The fourth proportional to 2,396,746.13, 3,307,608.07 and 1,378,150.88 is: 1,901,904.80
Step by Step Solution
- Step 1: Write the proportion equation
2,396,746.13 : 3,307,608.07 = 1,378,150.88 : x - Step 2: Convert to fraction form
2,396,746.13/3,307,608.07 = 1,378,150.88/x - Step 3: Cross multiply
2,396,746.13x = 3,307,608.07 × 1,378,150.88 - Step 4: Simplify right side
2,396,746.13x = 4,558,382,952,382.18 - Step 5: Solve for x
x = 4,558,382,952,382.18/2,396,746.13 - Step 6: Final answer
x = 1,901,904.80
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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.