Finding the Fourth Proportional to 1,577,048.99, 2,365,573.19 and 378,971.28
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Solution
The fourth proportional to 1,577,048.99, 2,365,573.19 and 378,971.28 is: 568,456.85
Step by Step Solution
- Step 1: Write the proportion equation
1,577,048.99 : 2,365,573.19 = 378,971.28 : x - Step 2: Convert to fraction form
1,577,048.99/2,365,573.19 = 378,971.28/x - Step 3: Cross multiply
1,577,048.99x = 2,365,573.19 × 378,971.28 - Step 4: Simplify right side
1,577,048.99x = 896,484,297,853.13 - Step 5: Solve for x
x = 896,484,297,853.13/1,577,048.99 - Step 6: Final answer
x = 568,456.85
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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.