Finding the Fourth Proportional to 2,151,020.76, 2,967,178.68 and 1,344,805.08
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Solution
The fourth proportional to 2,151,020.76, 2,967,178.68 and 1,344,805.08 is: 1,855,062.04
Step by Step Solution
- Step 1: Write the proportion equation
2,151,020.76 : 2,967,178.68 = 1,344,805.08 : x - Step 2: Convert to fraction form
2,151,020.76/2,967,178.68 = 1,344,805.08/x - Step 3: Cross multiply
2,151,020.76x = 2,967,178.68 × 1,344,805.08 - Step 4: Simplify right side
2,151,020.76x = 3,990,276,962,131.70 - Step 5: Solve for x
x = 3,990,276,962,131.70/2,151,020.76 - Step 6: Final answer
x = 1,855,062.04
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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.