Finding the Fourth Proportional to 3,403,551.70, 4,697,133.69 and 2,079,542.31
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Solution
The fourth proportional to 3,403,551.70, 4,697,133.69 and 2,079,542.31 is: 2,869,910.34
Step by Step Solution
- Step 1: Write the proportion equation
3,403,551.70 : 4,697,133.69 = 2,079,542.31 : x - Step 2: Convert to fraction form
3,403,551.70/4,697,133.69 = 2,079,542.31/x - Step 3: Cross multiply
3,403,551.70x = 4,697,133.69 × 2,079,542.31 - Step 4: Simplify right side
3,403,551.70x = 9,767,888,210,198.04 - Step 5: Solve for x
x = 9,767,888,210,198.04/3,403,551.70 - Step 6: Final answer
x = 2,869,910.34
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1.5x scale
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.