Finding the Fourth Proportional to 3,458,812.80, 4,774,568.52 and 2,235,219.08
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Solution
The fourth proportional to 3,458,812.80, 4,774,568.52 and 2,235,219.08 is: 3,085,511.50
Step by Step Solution
- Step 1: Write the proportion equation
3,458,812.80 : 4,774,568.52 = 2,235,219.08 : x - Step 2: Convert to fraction form
3,458,812.80/4,774,568.52 = 2,235,219.08/x - Step 3: Cross multiply
3,458,812.80x = 4,774,568.52 × 2,235,219.08 - Step 4: Simplify right side
3,458,812.80x = 10,672,206,654,671.36 - Step 5: Solve for x
x = 10,672,206,654,671.36/3,458,812.80 - Step 6: Final answer
x = 3,085,511.50
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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.