Finding the Fourth Proportional to 3,144,032.28, 4,717,044.84 and 1,122,231.42
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Solution
The fourth proportional to 3,144,032.28, 4,717,044.84 and 1,122,231.42 is: 1,683,702.79
Step by Step Solution
- Step 1: Write the proportion equation
3,144,032.28 : 4,717,044.84 = 1,122,231.42 : x - Step 2: Convert to fraction form
3,144,032.28/4,717,044.84 = 1,122,231.42/x - Step 3: Cross multiply
3,144,032.28x = 4,717,044.84 × 1,122,231.42 - Step 4: Simplify right side
3,144,032.28x = 5,293,615,928,996.87 - Step 5: Solve for x
x = 5,293,615,928,996.87/3,144,032.28 - Step 6: Final answer
x = 1,683,702.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.