Finding the Fourth Proportional to 4,148,865.36, 5,721,629.40 and 2,844,013.68
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Solution
The fourth proportional to 4,148,865.36, 5,721,629.40 and 2,844,013.68 is: 3,922,130.72
Step by Step Solution
- Step 1: Write the proportion equation
4,148,865.36 : 5,721,629.40 = 2,844,013.68 : x - Step 2: Convert to fraction form
4,148,865.36/5,721,629.40 = 2,844,013.68/x - Step 3: Cross multiply
4,148,865.36x = 5,721,629.40 × 2,844,013.68 - Step 4: Simplify right side
4,148,865.36x = 16,272,392,285,490.19 - Step 5: Solve for x
x = 16,272,392,285,490.19/4,148,865.36 - Step 6: Final answer
x = 3,922,130.72
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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.