Finding the Fourth Proportional to 2,271,182.28, 3,135,281.14 and 1,400,172.63
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Solution
The fourth proportional to 2,271,182.28, 3,135,281.14 and 1,400,172.63 is: 1,932,885.30
Step by Step Solution
- Step 1: Write the proportion equation
2,271,182.28 : 3,135,281.14 = 1,400,172.63 : x - Step 2: Convert to fraction form
2,271,182.28/3,135,281.14 = 1,400,172.63/x - Step 3: Cross multiply
2,271,182.28x = 3,135,281.14 × 1,400,172.63 - Step 4: Simplify right side
2,271,182.28x = 4,389,934,829,576.11 - Step 5: Solve for x
x = 4,389,934,829,576.11/2,271,182.28 - Step 6: Final answer
x = 1,932,885.30
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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.