Finding the Fourth Proportional to 4,795,639.48, 6,617,904.27 and 2,620,135.81
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Solution
The fourth proportional to 4,795,639.48, 6,617,904.27 and 2,620,135.81 is: 3,615,744.69
Step by Step Solution
- Step 1: Write the proportion equation
4,795,639.48 : 6,617,904.27 = 2,620,135.81 : x - Step 2: Convert to fraction form
4,795,639.48/6,617,904.27 = 2,620,135.81/x - Step 3: Cross multiply
4,795,639.48x = 6,617,904.27 × 2,620,135.81 - Step 4: Simplify right side
4,795,639.48x = 17,339,807,964,978.91 - Step 5: Solve for x
x = 17,339,807,964,978.91/4,795,639.48 - Step 6: Final answer
x = 3,615,744.69
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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.