Finding the Fourth Proportional to 3,112,574.97, 4,668,511.68 and 838,265.84
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Solution
The fourth proportional to 3,112,574.97, 4,668,511.68 and 838,265.84 is: 1,257,304.28
Step by Step Solution
- Step 1: Write the proportion equation
3,112,574.97 : 4,668,511.68 = 838,265.84 : x - Step 2: Convert to fraction form
3,112,574.97/4,668,511.68 = 838,265.84/x - Step 3: Cross multiply
3,112,574.97x = 4,668,511.68 × 838,265.84 - Step 4: Simplify right side
3,112,574.97x = 3,913,453,841,642.45 - Step 5: Solve for x
x = 3,913,453,841,642.45/3,112,574.97 - Step 6: Final answer
x = 1,257,304.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.