Finding the Fourth Proportional to 6,302,628.09, 8,701,649.24 and 5,143,842.50
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Solution
The fourth proportional to 6,302,628.09, 8,701,649.24 and 5,143,842.50 is: 7,101,785.55
Step by Step Solution
- Step 1: Write the proportion equation
6,302,628.09 : 8,701,649.24 = 5,143,842.50 : x - Step 2: Convert to fraction form
6,302,628.09/8,701,649.24 = 5,143,842.50/x - Step 3: Cross multiply
6,302,628.09x = 8,701,649.24 × 5,143,842.50 - Step 4: Simplify right side
6,302,628.09x = 44,759,913,111,577.24 - Step 5: Solve for x
x = 44,759,913,111,577.24/6,302,628.09 - Step 6: Final answer
x = 7,101,785.55
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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.