Finding the Fourth Proportional to 2,173,628.49, 3,259,394.06 and 911,117.13
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Solution
The fourth proportional to 2,173,628.49, 3,259,394.06 and 911,117.13 is: 1,366,236.12
Step by Step Solution
- Step 1: Write the proportion equation
2,173,628.49 : 3,259,394.06 = 911,117.13 : x - Step 2: Convert to fraction form
2,173,628.49/3,259,394.06 = 911,117.13/x - Step 3: Cross multiply
2,173,628.49x = 3,259,394.06 × 911,117.13 - Step 4: Simplify right side
2,173,628.49x = 2,969,689,756,930.66 - Step 5: Solve for x
x = 2,969,689,756,930.66/2,173,628.49 - Step 6: Final answer
x = 1,366,236.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.