Finding the Fourth Proportional to 4,145,764.16, 5,683,863.76 and 4,070,192.96
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Solution
The fourth proportional to 4,145,764.16, 5,683,863.76 and 4,070,192.96 is: 5,580,255.26
Step by Step Solution
- Step 1: Write the proportion equation
4,145,764.16 : 5,683,863.76 = 4,070,192.96 : x - Step 2: Convert to fraction form
4,145,764.16/5,683,863.76 = 4,070,192.96/x - Step 3: Cross multiply
4,145,764.16x = 5,683,863.76 × 4,070,192.96 - Step 4: Simplify right side
4,145,764.16x = 23,134,422,261,551.13 - Step 5: Solve for x
x = 23,134,422,261,551.13/4,145,764.16 - Step 6: Final answer
x = 5,580,255.26
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.