Finding the Fourth Proportional to 3,909,628.71, 5,392,088.87 and 2,751,907.46
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Solution
The fourth proportional to 3,909,628.71, 5,392,088.87 and 2,751,907.46 is: 3,795,380.75
Step by Step Solution
- Step 1: Write the proportion equation
3,909,628.71 : 5,392,088.87 = 2,751,907.46 : x - Step 2: Convert to fraction form
3,909,628.71/5,392,088.87 = 2,751,907.46/x - Step 3: Cross multiply
3,909,628.71x = 5,392,088.87 × 2,751,907.46 - Step 4: Simplify right side
3,909,628.71x = 14,838,529,545,615.99 - Step 5: Solve for x
x = 14,838,529,545,615.99/3,909,628.71 - Step 6: Final answer
x = 3,795,380.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.