Finding the Fourth Proportional to 1,600,615.92, 2,208,902.55 and 875,463.65
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Solution
The fourth proportional to 1,600,615.92, 2,208,902.55 and 875,463.65 is: 1,208,168.59
Step by Step Solution
- Step 1: Write the proportion equation
1,600,615.92 : 2,208,902.55 = 875,463.65 : x - Step 2: Convert to fraction form
1,600,615.92/2,208,902.55 = 875,463.65/x - Step 3: Cross multiply
1,600,615.92x = 2,208,902.55 × 875,463.65 - Step 4: Simplify right side
1,600,615.92x = 1,933,813,877,872.79 - Step 5: Solve for x
x = 1,933,813,877,872.79/1,600,615.92 - Step 6: Final answer
x = 1,208,168.59
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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.