Finding the Fourth Proportional to 2,379,852.59, 3,284,177.75 and 1,292,102.13
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Solution
The fourth proportional to 2,379,852.59, 3,284,177.75 and 1,292,102.13 is: 1,783,090.72
Step by Step Solution
- Step 1: Write the proportion equation
2,379,852.59 : 3,284,177.75 = 1,292,102.13 : x - Step 2: Convert to fraction form
2,379,852.59/3,284,177.75 = 1,292,102.13/x - Step 3: Cross multiply
2,379,852.59x = 3,284,177.75 × 1,292,102.13 - Step 4: Simplify right side
2,379,852.59x = 4,243,493,059,613.10 - Step 5: Solve for x
x = 4,243,493,059,613.10/2,379,852.59 - Step 6: Final answer
x = 1,783,090.72
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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.