Finding the Fourth Proportional to 1,403,820.99, 1,937,273.34 and 792,103.41
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Solution
The fourth proportional to 1,403,820.99, 1,937,273.34 and 792,103.41 is: 1,093,102.92
Step by Step Solution
- Step 1: Write the proportion equation
1,403,820.99 : 1,937,273.34 = 792,103.41 : x - Step 2: Convert to fraction form
1,403,820.99/1,937,273.34 = 792,103.41/x - Step 3: Cross multiply
1,403,820.99x = 1,937,273.34 × 792,103.41 - Step 4: Simplify right side
1,403,820.99x = 1,534,520,818,716.09 - Step 5: Solve for x
x = 1,534,520,818,716.09/1,403,820.99 - Step 6: Final answer
x = 1,093,102.92
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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.