Finding the Fourth Proportional to 3,894,578.16, 5,842,420.14 and 1,199,127.42
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Solution
The fourth proportional to 3,894,578.16, 5,842,420.14 and 1,199,127.42 is: 1,798,861.37
Step by Step Solution
- Step 1: Write the proportion equation
3,894,578.16 : 5,842,420.14 = 1,199,127.42 : x - Step 2: Convert to fraction form
3,894,578.16/5,842,420.14 = 1,199,127.42/x - Step 3: Cross multiply
3,894,578.16x = 5,842,420.14 × 1,199,127.42 - Step 4: Simplify right side
3,894,578.16x = 7,005,806,189,034.24 - Step 5: Solve for x
x = 7,005,806,189,034.24/3,894,578.16 - Step 6: Final answer
x = 1,798,861.37
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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.