Finding the Fourth Proportional to 1,658,842.77, 2,486,782.39 and 647,729.49
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Solution
The fourth proportional to 1,658,842.77, 2,486,782.39 and 647,729.49 is: 971,015.65
Step by Step Solution
- Step 1: Write the proportion equation
1,658,842.77 : 2,486,782.39 = 647,729.49 : x - Step 2: Convert to fraction form
1,658,842.77/2,486,782.39 = 647,729.49/x - Step 3: Cross multiply
1,658,842.77x = 2,486,782.39 × 647,729.49 - Step 4: Simplify right side
1,658,842.77x = 1,610,762,289,215.68 - Step 5: Solve for x
x = 1,610,762,289,215.68/1,658,842.77 - Step 6: Final answer
x = 971,015.65
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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.