Finding the Fourth Proportional to 2,126,106.23, 2,934,275.63 and 1,208,473.29
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Solution
The fourth proportional to 2,126,106.23, 2,934,275.63 and 1,208,473.29 is: 1,667,834.69
Step by Step Solution
- Step 1: Write the proportion equation
2,126,106.23 : 2,934,275.63 = 1,208,473.29 : x - Step 2: Convert to fraction form
2,126,106.23/2,934,275.63 = 1,208,473.29/x - Step 3: Cross multiply
2,126,106.23x = 2,934,275.63 × 1,208,473.29 - Step 4: Simplify right side
2,126,106.23x = 3,545,993,718,310.56 - Step 5: Solve for x
x = 3,545,993,718,310.56/2,126,106.23 - Step 6: Final answer
x = 1,667,834.69
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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.