Finding the Fourth Proportional to 1,658,843.27, 2,486,783.14 and 647,729.99
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Solution
The fourth proportional to 1,658,843.27, 2,486,783.14 and 647,729.99 is: 971,016.40
Step by Step Solution
- Step 1: Write the proportion equation
1,658,843.27 : 2,486,783.14 = 647,729.99 : x - Step 2: Convert to fraction form
1,658,843.27/2,486,783.14 = 647,729.99/x - Step 3: Cross multiply
1,658,843.27x = 2,486,783.14 × 647,729.99 - Step 4: Simplify right side
1,658,843.27x = 1,610,764,018,404.37 - Step 5: Solve for x
x = 1,610,764,018,404.37/1,658,843.27 - Step 6: Final answer
x = 971,016.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.