Finding the Fourth Proportional to 3,918,892.13, 5,878,709.21 and 1,522,921.53
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Solution
The fourth proportional to 3,918,892.13, 5,878,709.21 and 1,522,921.53 is: 2,284,526.48
Step by Step Solution
- Step 1: Write the proportion equation
3,918,892.13 : 5,878,709.21 = 1,522,921.53 : x - Step 2: Convert to fraction form
3,918,892.13/5,878,709.21 = 1,522,921.53/x - Step 3: Cross multiply
3,918,892.13x = 5,878,709.21 × 1,522,921.53 - Step 4: Simplify right side
3,918,892.13x = 8,952,812,824,518.29 - Step 5: Solve for x
x = 8,952,812,824,518.29/3,918,892.13 - Step 6: Final answer
x = 2,284,526.48
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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.