Finding the Fourth Proportional to 6,320,140.29, 8,719,312.05 and 3,670,536.74
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Solution
The fourth proportional to 6,320,140.29, 8,719,312.05 and 3,670,536.74 is: 5,063,899.49
Step by Step Solution
- Step 1: Write the proportion equation
6,320,140.29 : 8,719,312.05 = 3,670,536.74 : x - Step 2: Convert to fraction form
6,320,140.29/8,719,312.05 = 3,670,536.74/x - Step 3: Cross multiply
6,320,140.29x = 8,719,312.05 × 3,670,536.74 - Step 4: Simplify right side
6,320,140.29x = 32,004,555,183,453.16 - Step 5: Solve for x
x = 32,004,555,183,453.16/6,320,140.29 - Step 6: Final answer
x = 5,063,899.49
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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.