Finding the Fourth Proportional to 1,497,974.25, 2,067,211.76 and 818,910.75
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Solution
The fourth proportional to 1,497,974.25, 2,067,211.76 and 818,910.75 is: 1,130,100.82
Step by Step Solution
- Step 1: Write the proportion equation
1,497,974.25 : 2,067,211.76 = 818,910.75 : x - Step 2: Convert to fraction form
1,497,974.25/2,067,211.76 = 818,910.75/x - Step 3: Cross multiply
1,497,974.25x = 2,067,211.76 × 818,910.75 - Step 4: Simplify right side
1,497,974.25x = 1,692,861,928,695.87 - Step 5: Solve for x
x = 1,692,861,928,695.87/1,497,974.25 - Step 6: Final answer
x = 1,130,100.82
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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.