Finding the Fourth Proportional to 3,546,477.10, 5,319,715.65 and 2,128,134.70
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Solution
The fourth proportional to 3,546,477.10, 5,319,715.65 and 2,128,134.70 is: 3,192,202.05
Step by Step Solution
- Step 1: Write the proportion equation
3,546,477.10 : 5,319,715.65 = 2,128,134.70 : x - Step 2: Convert to fraction form
3,546,477.10/5,319,715.65 = 2,128,134.70/x - Step 3: Cross multiply
3,546,477.10x = 5,319,715.65 × 2,128,134.70 - Step 4: Simplify right side
3,546,477.10x = 11,321,071,468,898.06 - Step 5: Solve for x
x = 11,321,071,468,898.06/3,546,477.10 - Step 6: Final answer
x = 3,192,202.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.