Finding the Fourth Proportional to 1,939,948.59, 2,677,129.85 and 1,124,624.97
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Solution
The fourth proportional to 1,939,948.59, 2,677,129.85 and 1,124,624.97 is: 1,551,982.92
Step by Step Solution
- Step 1: Write the proportion equation
1,939,948.59 : 2,677,129.85 = 1,124,624.97 : x - Step 2: Convert to fraction form
1,939,948.59/2,677,129.85 = 1,124,624.97/x - Step 3: Cross multiply
1,939,948.59x = 2,677,129.85 × 1,124,624.97 - Step 4: Simplify right side
1,939,948.59x = 3,010,767,080,053.92 - Step 5: Solve for x
x = 3,010,767,080,053.92/1,939,948.59 - Step 6: Final answer
x = 1,551,982.92
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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.