Finding the Fourth Proportional to 3,160,284.81, 4,361,180.99 and 1,709,983.05
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Solution
The fourth proportional to 3,160,284.81, 4,361,180.99 and 1,709,983.05 is: 2,359,770.09
Step by Step Solution
- Step 1: Write the proportion equation
3,160,284.81 : 4,361,180.99 = 1,709,983.05 : x - Step 2: Convert to fraction form
3,160,284.81/4,361,180.99 = 1,709,983.05/x - Step 3: Cross multiply
3,160,284.81x = 4,361,180.99 × 1,709,983.05 - Step 4: Simplify right side
3,160,284.81x = 7,457,545,562,332.31 - Step 5: Solve for x
x = 7,457,545,562,332.31/3,160,284.81 - Step 6: Final answer
x = 2,359,770.09
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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.