Finding the Fourth Proportional to 1,491,264.36, 2,058,211.68 and 879,380.03
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Solution
The fourth proportional to 1,491,264.36, 2,058,211.68 and 879,380.03 is: 1,213,701.81
Step by Step Solution
- Step 1: Write the proportion equation
1,491,264.36 : 2,058,211.68 = 879,380.03 : x - Step 2: Convert to fraction form
1,491,264.36/2,058,211.68 = 879,380.03/x - Step 3: Cross multiply
1,491,264.36x = 2,058,211.68 × 879,380.03 - Step 4: Simplify right side
1,491,264.36x = 1,809,950,248,904.75 - Step 5: Solve for x
x = 1,809,950,248,904.75/1,491,264.36 - Step 6: Final answer
x = 1,213,701.81
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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.