Finding the Fourth Proportional to 2,068,934.67, 2,855,085.03 and 1,197,806.09
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Solution
The fourth proportional to 2,068,934.67, 2,855,085.03 and 1,197,806.09 is: 1,652,946.45
Step by Step Solution
- Step 1: Write the proportion equation
2,068,934.67 : 2,855,085.03 = 1,197,806.09 : x - Step 2: Convert to fraction form
2,068,934.67/2,855,085.03 = 1,197,806.09/x - Step 3: Cross multiply
2,068,934.67x = 2,855,085.03 × 1,197,806.09 - Step 4: Simplify right side
2,068,934.67x = 3,419,838,222,126.41 - Step 5: Solve for x
x = 3,419,838,222,126.41/2,068,934.67 - Step 6: Final answer
x = 1,652,946.45
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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.