Finding the Fourth Proportional to 3,507,282.99, 5,261,128.61 and 983,135.07
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Solution
The fourth proportional to 3,507,282.99, 5,261,128.61 and 983,135.07 is: 1,474,759.82
Step by Step Solution
- Step 1: Write the proportion equation
3,507,282.99 : 5,261,128.61 = 983,135.07 : x - Step 2: Convert to fraction form
3,507,282.99/5,261,128.61 = 983,135.07/x - Step 3: Cross multiply
3,507,282.99x = 5,261,128.61 × 983,135.07 - Step 4: Simplify right side
3,507,282.99x = 5,172,400,039,355.68 - Step 5: Solve for x
x = 5,172,400,039,355.68/3,507,282.99 - Step 6: Final answer
x = 1,474,759.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.