Finding the Fourth Proportional to 1,864,962.43, 2,572,270.58 and 1,284,369.97
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Solution
The fourth proportional to 1,864,962.43, 2,572,270.58 and 1,284,369.97 is: 1,771,481.85
Step by Step Solution
- Step 1: Write the proportion equation
1,864,962.43 : 2,572,270.58 = 1,284,369.97 : x - Step 2: Convert to fraction form
1,864,962.43/2,572,270.58 = 1,284,369.97/x - Step 3: Cross multiply
1,864,962.43x = 2,572,270.58 × 1,284,369.97 - Step 4: Simplify right side
1,864,962.43x = 3,303,747,082,045.16 - Step 5: Solve for x
x = 3,303,747,082,045.16/1,864,962.43 - Step 6: Final answer
x = 1,771,481.85
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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.