Finding the Fourth Proportional to 2,548,934.13, 3,517,530.08 and 1,403,006.26
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Solution
The fourth proportional to 2,548,934.13, 3,517,530.08 and 1,403,006.26 is: 1,936,149.18
Step by Step Solution
- Step 1: Write the proportion equation
2,548,934.13 : 3,517,530.08 = 1,403,006.26 : x - Step 2: Convert to fraction form
2,548,934.13/3,517,530.08 = 1,403,006.26/x - Step 3: Cross multiply
2,548,934.13x = 3,517,530.08 × 1,403,006.26 - Step 4: Simplify right side
2,548,934.13x = 4,935,116,721,978.30 - Step 5: Solve for x
x = 4,935,116,721,978.30/2,548,934.13 - Step 6: Final answer
x = 1,936,149.18
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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.