Finding the Fourth Proportional to 6,272,976.76, 8,656,857.17 and 3,519,867.87
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Solution
The fourth proportional to 6,272,976.76, 8,656,857.17 and 3,519,867.87 is: 4,857,501.40
Step by Step Solution
- Step 1: Write the proportion equation
6,272,976.76 : 8,656,857.17 = 3,519,867.87 : x - Step 2: Convert to fraction form
6,272,976.76/8,656,857.17 = 3,519,867.87/x - Step 3: Cross multiply
6,272,976.76x = 8,656,857.17 × 3,519,867.87 - Step 4: Simplify right side
6,272,976.76x = 30,470,993,407,862.13 - Step 5: Solve for x
x = 30,470,993,407,862.13/6,272,976.76 - Step 6: Final answer
x = 4,857,501.40
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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.