Finding the Fourth Proportional to 4,126,996.18, 5,695,277.43 and 2,291,428.18
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Solution
The fourth proportional to 4,126,996.18, 5,695,277.43 and 2,291,428.18 is: 3,162,183.49
Step by Step Solution
- Step 1: Write the proportion equation
4,126,996.18 : 5,695,277.43 = 2,291,428.18 : x - Step 2: Convert to fraction form
4,126,996.18/5,695,277.43 = 2,291,428.18/x - Step 3: Cross multiply
4,126,996.18x = 5,695,277.43 × 2,291,428.18 - Step 4: Simplify right side
4,126,996.18x = 13,050,319,196,019.98 - Step 5: Solve for x
x = 13,050,319,196,019.98/4,126,996.18 - Step 6: Final answer
x = 3,162,183.49
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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.