Finding the Fourth Proportional to 3,799,132.71, 5,242,750.79 and 2,080,253.23
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Solution
The fourth proportional to 3,799,132.71, 5,242,750.79 and 2,080,253.23 is: 2,870,720.79
Step by Step Solution
- Step 1: Write the proportion equation
3,799,132.71 : 5,242,750.79 = 2,080,253.23 : x - Step 2: Convert to fraction form
3,799,132.71/5,242,750.79 = 2,080,253.23/x - Step 3: Cross multiply
3,799,132.71x = 5,242,750.79 × 2,080,253.23 - Step 4: Simplify right side
3,799,132.71x = 10,906,249,238,768.80 - Step 5: Solve for x
x = 10,906,249,238,768.80/3,799,132.71 - Step 6: Final answer
x = 2,870,720.79
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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.