Finding the Fourth Proportional to 2,034,045.13, 2,806,796.68 and 1,206,976.15
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Solution
The fourth proportional to 2,034,045.13, 2,806,796.68 and 1,206,976.15 is: 1,665,516.95
Step by Step Solution
- Step 1: Write the proportion equation
2,034,045.13 : 2,806,796.68 = 1,206,976.15 : x - Step 2: Convert to fraction form
2,034,045.13/2,806,796.68 = 1,206,976.15/x - Step 3: Cross multiply
2,034,045.13x = 2,806,796.68 × 1,206,976.15 - Step 4: Simplify right side
2,034,045.13x = 3,387,736,650,659.18 - Step 5: Solve for x
x = 3,387,736,650,659.18/2,034,045.13 - Step 6: Final answer
x = 1,665,516.95
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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.