Finding the Fourth Proportional to 6,449,373.76, 8,899,868.94 and 3,509,202.96
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Solution
The fourth proportional to 6,449,373.76, 8,899,868.94 and 3,509,202.96 is: 4,842,554.89
Step by Step Solution
- Step 1: Write the proportion equation
6,449,373.76 : 8,899,868.94 = 3,509,202.96 : x - Step 2: Convert to fraction form
6,449,373.76/8,899,868.94 = 3,509,202.96/x - Step 3: Cross multiply
6,449,373.76x = 8,899,868.94 × 3,509,202.96 - Step 4: Simplify right side
6,449,373.76x = 31,231,446,427,860.06 - Step 5: Solve for x
x = 31,231,446,427,860.06/6,449,373.76 - Step 6: Final answer
x = 4,842,554.89
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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.