Finding the Fourth Proportional to 5,147,548.04, 7,721,381.51 and 1,553,346.12
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Solution
The fourth proportional to 5,147,548.04, 7,721,381.51 and 1,553,346.12 is: 2,330,037.12
Step by Step Solution
- Step 1: Write the proportion equation
5,147,548.04 : 7,721,381.51 = 1,553,346.12 : x - Step 2: Convert to fraction form
5,147,548.04/7,721,381.51 = 1,553,346.12/x - Step 3: Cross multiply
5,147,548.04x = 7,721,381.51 × 1,553,346.12 - Step 4: Simplify right side
5,147,548.04x = 11,993,978,009,598.24 - Step 5: Solve for x
x = 11,993,978,009,598.24/5,147,548.04 - Step 6: Final answer
x = 2,330,037.12
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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.