Finding the Fourth Proportional to 4,985,058.78, 7,477,588.17 and 1,198,541.79
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Solution
The fourth proportional to 4,985,058.78, 7,477,588.17 and 1,198,541.79 is: 1,797,812.69
Step by Step Solution
- Step 1: Write the proportion equation
4,985,058.78 : 7,477,588.17 = 1,198,541.79 : x - Step 2: Convert to fraction form
4,985,058.78/7,477,588.17 = 1,198,541.79/x - Step 3: Cross multiply
4,985,058.78x = 7,477,588.17 × 1,198,541.79 - Step 4: Simplify right side
4,985,058.78x = 8,962,201,910,154.63 - Step 5: Solve for x
x = 8,962,201,910,154.63/4,985,058.78 - Step 6: Final answer
x = 1,797,812.69
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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.