Finding the Fourth Proportional to 5,439,455.94, 8,159,475.24 and 1,395,978.60
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Solution
The fourth proportional to 5,439,455.94, 8,159,475.24 and 1,395,978.60 is: 2,094,042.67
Step by Step Solution
- Step 1: Write the proportion equation
5,439,455.94 : 8,159,475.24 = 1,395,978.60 : x - Step 2: Convert to fraction form
5,439,455.94/8,159,475.24 = 1,395,978.60/x - Step 3: Cross multiply
5,439,455.94x = 8,159,475.24 × 1,395,978.60 - Step 4: Simplify right side
5,439,455.94x = 11,390,452,822,269.87 - Step 5: Solve for x
x = 11,390,452,822,269.87/5,439,455.94 - Step 6: Final answer
x = 2,094,042.67
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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.