Finding the Fourth Proportional to 1,921,570.94, 2,881,377.12 and 641,718.02
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Solution
The fourth proportional to 1,921,570.94, 2,881,377.12 and 641,718.02 is: 962,249.99
Step by Step Solution
- Step 1: Write the proportion equation
1,921,570.94 : 2,881,377.12 = 641,718.02 : x - Step 2: Convert to fraction form
1,921,570.94/2,881,377.12 = 641,718.02/x - Step 3: Cross multiply
1,921,570.94x = 2,881,377.12 × 641,718.02 - Step 4: Simplify right side
1,921,570.94x = 1,849,031,620,319.70 - Step 5: Solve for x
x = 1,849,031,620,319.70/1,921,570.94 - Step 6: Final answer
x = 962,249.99
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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.