Finding the Fourth Proportional to 2,767,212.54, 3,818,169.99 and 1,680,055.74
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Solution
The fourth proportional to 2,767,212.54, 3,818,169.99 and 1,680,055.74 is: 2,318,122.77
Step by Step Solution
- Step 1: Write the proportion equation
2,767,212.54 : 3,818,169.99 = 1,680,055.74 : x - Step 2: Convert to fraction form
2,767,212.54/3,818,169.99 = 1,680,055.74/x - Step 3: Cross multiply
2,767,212.54x = 3,818,169.99 × 1,680,055.74 - Step 4: Simplify right side
2,767,212.54x = 6,414,738,407,995.24 - Step 5: Solve for x
x = 6,414,738,407,995.24/2,767,212.54 - Step 6: Final answer
x = 2,318,122.77
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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.