Finding the Fourth Proportional to 5,121,530.46, 7,067,995.50 and 2,829,641.94
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Solution
The fourth proportional to 5,121,530.46, 7,067,995.50 and 2,829,641.94 is: 3,905,062.49
Step by Step Solution
- Step 1: Write the proportion equation
5,121,530.46 : 7,067,995.50 = 2,829,641.94 : x - Step 2: Convert to fraction form
5,121,530.46/7,067,995.50 = 2,829,641.94/x - Step 3: Cross multiply
5,121,530.46x = 7,067,995.50 × 2,829,641.94 - Step 4: Simplify right side
5,121,530.46x = 19,999,896,498,531.27 - Step 5: Solve for x
x = 19,999,896,498,531.27/5,121,530.46 - Step 6: Final answer
x = 3,905,062.49
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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.