Finding the Fourth Proportional to 5,666,541.12, 8,493,626.16 and 2,789,887.68
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Solution
The fourth proportional to 5,666,541.12, 8,493,626.16 and 2,789,887.68 is: 4,181,786.12
Step by Step Solution
- Step 1: Write the proportion equation
5,666,541.12 : 8,493,626.16 = 2,789,887.68 : x - Step 2: Convert to fraction form
5,666,541.12/8,493,626.16 = 2,789,887.68/x - Step 3: Cross multiply
5,666,541.12x = 8,493,626.16 × 2,789,887.68 - Step 4: Simplify right side
5,666,541.12x = 23,696,262,982,309.71 - Step 5: Solve for x
x = 23,696,262,982,309.71/5,666,541.12 - Step 6: Final answer
x = 4,181,786.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.