Finding the Fourth Proportional to 2,918,701.76, 4,027,502.90 and 1,694,768.70
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Solution
The fourth proportional to 2,918,701.76, 4,027,502.90 and 1,694,768.70 is: 2,338,603.40
Step by Step Solution
- Step 1: Write the proportion equation
2,918,701.76 : 4,027,502.90 = 1,694,768.70 : x - Step 2: Convert to fraction form
2,918,701.76/4,027,502.90 = 1,694,768.70/x - Step 3: Cross multiply
2,918,701.76x = 4,027,502.90 × 1,694,768.70 - Step 4: Simplify right side
2,918,701.76x = 6,825,685,845,605.39 - Step 5: Solve for x
x = 6,825,685,845,605.39/2,918,701.76 - Step 6: Final answer
x = 2,338,603.40
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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.