Finding the Fourth Proportional to 4,834,843.36, 6,671,944.56 and 2,659,386.40
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Solution
The fourth proportional to 4,834,843.36, 6,671,944.56 and 2,659,386.40 is: 3,669,876.62
Step by Step Solution
- Step 1: Write the proportion equation
4,834,843.36 : 6,671,944.56 = 2,659,386.40 : x - Step 2: Convert to fraction form
4,834,843.36/6,671,944.56 = 2,659,386.40/x - Step 3: Cross multiply
4,834,843.36x = 6,671,944.56 × 2,659,386.40 - Step 4: Simplify right side
4,834,843.36x = 17,743,278,624,417.98 - Step 5: Solve for x
x = 17,743,278,624,417.98/4,834,843.36 - Step 6: Final answer
x = 3,669,876.62
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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.