Finding the Fourth Proportional to 1,438,352.97, 1,984,923.03 and 793,768.56
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Solution
The fourth proportional to 1,438,352.97, 1,984,923.03 and 793,768.56 is: 1,095,398.37
Step by Step Solution
- Step 1: Write the proportion equation
1,438,352.97 : 1,984,923.03 = 793,768.56 : x - Step 2: Convert to fraction form
1,438,352.97/1,984,923.03 = 793,768.56/x - Step 3: Cross multiply
1,438,352.97x = 1,984,923.03 × 793,768.56 - Step 4: Simplify right side
1,438,352.97x = 1,575,569,495,233.94 - Step 5: Solve for x
x = 1,575,569,495,233.94/1,438,352.97 - Step 6: Final answer
x = 1,095,398.37
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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.