Finding the Fourth Proportional to 5,173,145.37, 7,139,497.44 and 2,850,271.41
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Solution
The fourth proportional to 5,173,145.37, 7,139,497.44 and 2,850,271.41 is: 3,933,681.34
Step by Step Solution
- Step 1: Write the proportion equation
5,173,145.37 : 7,139,497.44 = 2,850,271.41 : x - Step 2: Convert to fraction form
5,173,145.37/7,139,497.44 = 2,850,271.41/x - Step 3: Cross multiply
5,173,145.37x = 7,139,497.44 × 2,850,271.41 - Step 4: Simplify right side
5,173,145.37x = 20,349,505,435,000.19 - Step 5: Solve for x
x = 20,349,505,435,000.19/5,173,145.37 - Step 6: Final answer
x = 3,933,681.34
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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.