Finding the Fourth Proportional to 1,498,193.64, 2,067,515.88 and 819,130.14
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Solution
The fourth proportional to 1,498,193.64, 2,067,515.88 and 819,130.14 is: 1,130,404.33
Step by Step Solution
- Step 1: Write the proportion equation
1,498,193.64 : 2,067,515.88 = 819,130.14 : x - Step 2: Convert to fraction form
1,498,193.64/2,067,515.88 = 819,130.14/x - Step 3: Cross multiply
1,498,193.64x = 2,067,515.88 × 819,130.14 - Step 4: Simplify right side
1,498,193.64x = 1,693,564,572,236.62 - Step 5: Solve for x
x = 1,693,564,572,236.62/1,498,193.64 - Step 6: Final answer
x = 1,130,404.33
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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.