Finding the Fourth Proportional to 2,074,207.14, 2,861,388.47 and 1,386,047.94
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Solution
The fourth proportional to 2,074,207.14, 2,861,388.47 and 1,386,047.94 is: 1,912,066.31
Step by Step Solution
- Step 1: Write the proportion equation
2,074,207.14 : 2,861,388.47 = 1,386,047.94 : x - Step 2: Convert to fraction form
2,074,207.14/2,861,388.47 = 1,386,047.94/x - Step 3: Cross multiply
2,074,207.14x = 2,861,388.47 × 1,386,047.94 - Step 4: Simplify right side
2,074,207.14x = 3,966,021,587,453.01 - Step 5: Solve for x
x = 3,966,021,587,453.01/2,074,207.14 - Step 6: Final answer
x = 1,912,066.31
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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.