Finding the Fourth Proportional to 1,947,992.24, 2,687,443.26 and 1,294,934.06
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Solution
The fourth proportional to 1,947,992.24, 2,687,443.26 and 1,294,934.06 is: 1,786,486.49
Step by Step Solution
- Step 1: Write the proportion equation
1,947,992.24 : 2,687,443.26 = 1,294,934.06 : x - Step 2: Convert to fraction form
1,947,992.24/2,687,443.26 = 1,294,934.06/x - Step 3: Cross multiply
1,947,992.24x = 2,687,443.26 × 1,294,934.06 - Step 4: Simplify right side
1,947,992.24x = 3,480,061,811,691.44 - Step 5: Solve for x
x = 3,480,061,811,691.44/1,947,992.24 - Step 6: Final answer
x = 1,786,486.49
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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.