Finding the Fourth Proportional to 5,690,078.22, 7,850,515.28 and 3,482,639.79
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Solution
The fourth proportional to 5,690,078.22, 7,850,515.28 and 3,482,639.79 is: 4,804,945.70
Step by Step Solution
- Step 1: Write the proportion equation
5,690,078.22 : 7,850,515.28 = 3,482,639.79 : x - Step 2: Convert to fraction form
5,690,078.22/7,850,515.28 = 3,482,639.79/x - Step 3: Cross multiply
5,690,078.22x = 7,850,515.28 × 3,482,639.79 - Step 4: Simplify right side
5,690,078.22x = 27,340,516,886,130.99 - Step 5: Solve for x
x = 27,340,516,886,130.99/5,690,078.22 - Step 6: Final answer
x = 4,804,945.70
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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.