Finding the Fourth Proportional to 1,920,764.85, 2,881,368.71 and 641,542.07
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Solution
The fourth proportional to 1,920,764.85, 2,881,368.71 and 641,542.07 is: 962,387.06
Step by Step Solution
- Step 1: Write the proportion equation
1,920,764.85 : 2,881,368.71 = 641,542.07 : x - Step 2: Convert to fraction form
1,920,764.85/2,881,368.71 = 641,542.07/x - Step 3: Cross multiply
1,920,764.85x = 2,881,368.71 × 641,542.07 - Step 4: Simplify right side
1,920,764.85x = 1,848,519,229,032.08 - Step 5: Solve for x
x = 1,848,519,229,032.08/1,920,764.85 - Step 6: Final answer
x = 962,387.06
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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.