Finding the Fourth Proportional to 6,317,121.96, 8,718,700.14 and 3,564,589.68
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Solution
The fourth proportional to 6,317,121.96, 8,718,700.14 and 3,564,589.68 is: 4,919,738.57
Step by Step Solution
- Step 1: Write the proportion equation
6,317,121.96 : 8,718,700.14 = 3,564,589.68 : x - Step 2: Convert to fraction form
6,317,121.96/8,718,700.14 = 3,564,589.68/x - Step 3: Cross multiply
6,317,121.96x = 8,718,700.14 × 3,564,589.68 - Step 4: Simplify right side
6,317,121.96x = 31,078,588,542,058.56 - Step 5: Solve for x
x = 31,078,588,542,058.56/6,317,121.96 - Step 6: Final answer
x = 4,919,738.57
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1.5x scale
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.