Finding the Fourth Proportional to 1,491,263.36, 2,058,210.30 and 879,379.03
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Solution
The fourth proportional to 1,491,263.36, 2,058,210.30 and 879,379.03 is: 1,213,700.43
Step by Step Solution
- Step 1: Write the proportion equation
1,491,263.36 : 2,058,210.30 = 879,379.03 : x - Step 2: Convert to fraction form
1,491,263.36/2,058,210.30 = 879,379.03/x - Step 3: Cross multiply
1,491,263.36x = 2,058,210.30 × 879,379.03 - Step 4: Simplify right side
1,491,263.36x = 1,809,946,983,020.44 - Step 5: Solve for x
x = 1,809,946,983,020.44/1,491,263.36 - Step 6: Final answer
x = 1,213,700.43
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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.