Finding the Fourth Proportional to 4,201,390.08, 5,797,942.20 and 2,390,554.08
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Solution
The fourth proportional to 4,201,390.08, 5,797,942.20 and 2,390,554.08 is: 3,298,978.22
Step by Step Solution
- Step 1: Write the proportion equation
4,201,390.08 : 5,797,942.20 = 2,390,554.08 : x - Step 2: Convert to fraction form
4,201,390.08/5,797,942.20 = 2,390,554.08/x - Step 3: Cross multiply
4,201,390.08x = 5,797,942.20 × 2,390,554.08 - Step 4: Simplify right side
4,201,390.08x = 13,860,294,381,814.18 - Step 5: Solve for x
x = 13,860,294,381,814.18/4,201,390.08 - Step 6: Final answer
x = 3,298,978.22
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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.