Finding the Fourth Proportional to 5,329,496.70, 7,357,107.27 and 3,398,353.02
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Solution
The fourth proportional to 5,329,496.70, 7,357,107.27 and 3,398,353.02 is: 4,691,258.69
Step by Step Solution
- Step 1: Write the proportion equation
5,329,496.70 : 7,357,107.27 = 3,398,353.02 : x - Step 2: Convert to fraction form
5,329,496.70/7,357,107.27 = 3,398,353.02/x - Step 3: Cross multiply
5,329,496.70x = 7,357,107.27 × 3,398,353.02 - Step 4: Simplify right side
5,329,496.70x = 25,002,047,709,468.45 - Step 5: Solve for x
x = 25,002,047,709,468.45/5,329,496.70 - Step 6: Final answer
x = 4,691,258.69
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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.