Finding the Fourth Proportional to 2,155,759.81, 3,233,087.95 and 639,088.08
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Solution
The fourth proportional to 2,155,759.81, 3,233,087.95 and 639,088.08 is: 958,468.55
Step by Step Solution
- Step 1: Write the proportion equation
2,155,759.81 : 3,233,087.95 = 639,088.08 : x - Step 2: Convert to fraction form
2,155,759.81/3,233,087.95 = 639,088.08/x - Step 3: Cross multiply
2,155,759.81x = 3,233,087.95 × 639,088.08 - Step 4: Simplify right side
2,155,759.81x = 2,066,227,970,436.64 - Step 5: Solve for x
x = 2,066,227,970,436.64/2,155,759.81 - Step 6: Final answer
x = 958,468.55
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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.