Finding the Fourth Proportional to 3,646,821.36, 5,470,302.42 and 1,122,474
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Solution
The fourth proportional to 3,646,821.36, 5,470,302.42 and 1,122,474 is: 1,683,732.66
Step by Step Solution
- Step 1: Write the proportion equation
3,646,821.36 : 5,470,302.42 = 1,122,474 : x - Step 2: Convert to fraction form
3,646,821.36/5,470,302.42 = 1,122,474/x - Step 3: Cross multiply
3,646,821.36x = 5,470,302.42 × 1,122,474 - Step 4: Simplify right side
3,646,821.36x = 6,140,272,238,587.08 - Step 5: Solve for x
x = 6,140,272,238,587.08/3,646,821.36 - Step 6: Final answer
x = 1,683,732.66
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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.