Finding the Fourth Proportional to 3,761,265.84, 5,190,412.68 and 2,042,350.80
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Solution
The fourth proportional to 3,761,265.84, 5,190,412.68 and 2,042,350.80 is: 2,818,371.25
Step by Step Solution
- Step 1: Write the proportion equation
3,761,265.84 : 5,190,412.68 = 2,042,350.80 : x - Step 2: Convert to fraction form
3,761,265.84/5,190,412.68 = 2,042,350.80/x - Step 3: Cross multiply
3,761,265.84x = 5,190,412.68 × 2,042,350.80 - Step 4: Simplify right side
3,761,265.84x = 10,600,643,489,328.14 - Step 5: Solve for x
x = 10,600,643,489,328.14/3,761,265.84 - Step 6: Final answer
x = 2,818,371.25
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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.