Finding the Fourth Proportional to 1,491,503.22, 2,058,177.53 and 879,515.69
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Solution
The fourth proportional to 1,491,503.22, 2,058,177.53 and 879,515.69 is: 1,213,674.50
Step by Step Solution
- Step 1: Write the proportion equation
1,491,503.22 : 2,058,177.53 = 879,515.69 : x - Step 2: Convert to fraction form
1,491,503.22/2,058,177.53 = 879,515.69/x - Step 3: Cross multiply
1,491,503.22x = 2,058,177.53 × 879,515.69 - Step 4: Simplify right side
1,491,503.22x = 1,810,199,422,348.35 - Step 5: Solve for x
x = 1,810,199,422,348.35/1,491,503.22 - Step 6: Final answer
x = 1,213,674.50
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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.