Finding the Fourth Proportional to 2,132,600.16, 2,942,988.36 and 1,165,734.28
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Solution
The fourth proportional to 2,132,600.16, 2,942,988.36 and 1,165,734.28 is: 1,608,713.38
Step by Step Solution
- Step 1: Write the proportion equation
2,132,600.16 : 2,942,988.36 = 1,165,734.28 : x - Step 2: Convert to fraction form
2,132,600.16/2,942,988.36 = 1,165,734.28/x - Step 3: Cross multiply
2,132,600.16x = 2,942,988.36 × 1,165,734.28 - Step 4: Simplify right side
2,132,600.16x = 3,430,742,416,892.98 - Step 5: Solve for x
x = 3,430,742,416,892.98/2,132,600.16 - Step 6: Final answer
x = 1,608,713.38
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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.