Finding the Fourth Proportional to 2,592,564.81, 3,577,205.30 and 1,489,783.21
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Solution
The fourth proportional to 2,592,564.81, 3,577,205.30 and 1,489,783.21 is: 2,055,593.89
Step by Step Solution
- Step 1: Write the proportion equation
2,592,564.81 : 3,577,205.30 = 1,489,783.21 : x - Step 2: Convert to fraction form
2,592,564.81/3,577,205.30 = 1,489,783.21/x - Step 3: Cross multiply
2,592,564.81x = 3,577,205.30 × 1,489,783.21 - Step 4: Simplify right side
2,592,564.81x = 5,329,260,378,271.08 - Step 5: Solve for x
x = 5,329,260,378,271.08/2,592,564.81 - Step 6: Final answer
x = 2,055,593.89
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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.