Finding the Fourth Proportional to 4,930,056.12, 6,803,430.66 and 2,754,973.92
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Solution
The fourth proportional to 4,930,056.12, 6,803,430.66 and 2,754,973.92 is: 3,801,837.87
Step by Step Solution
- Step 1: Write the proportion equation
4,930,056.12 : 6,803,430.66 = 2,754,973.92 : x - Step 2: Convert to fraction form
4,930,056.12/6,803,430.66 = 2,754,973.92/x - Step 3: Cross multiply
4,930,056.12x = 6,803,430.66 × 2,754,973.92 - Step 4: Simplify right side
4,930,056.12x = 18,743,274,034,828.39 - Step 5: Solve for x
x = 18,743,274,034,828.39/4,930,056.12 - Step 6: Final answer
x = 3,801,837.87
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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.