Finding the Fourth Proportional to 5,145,810.28, 7,101,654.18 and 2,854,709
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Solution
The fourth proportional to 5,145,810.28, 7,101,654.18 and 2,854,709 is: 3,939,740.29
Step by Step Solution
- Step 1: Write the proportion equation
5,145,810.28 : 7,101,654.18 = 2,854,709 : x - Step 2: Convert to fraction form
5,145,810.28/7,101,654.18 = 2,854,709/x - Step 3: Cross multiply
5,145,810.28x = 7,101,654.18 × 2,854,709 - Step 4: Simplify right side
5,145,810.28x = 20,273,156,102,533.62 - Step 5: Solve for x
x = 20,273,156,102,533.62/5,145,810.28 - Step 6: Final answer
x = 3,939,740.29
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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.