Finding the Fourth Proportional to 2,157,349.14, 3,235,182.53 and 808,776.70
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Solution
The fourth proportional to 2,157,349.14, 3,235,182.53 and 808,776.70 is: 1,212,849.69
Step by Step Solution
- Step 1: Write the proportion equation
2,157,349.14 : 3,235,182.53 = 808,776.70 : x - Step 2: Convert to fraction form
2,157,349.14/3,235,182.53 = 808,776.70/x - Step 3: Cross multiply
2,157,349.14x = 3,235,182.53 × 808,776.70 - Step 4: Simplify right side
2,157,349.14x = 2,616,540,238,379.21 - Step 5: Solve for x
x = 2,616,540,238,379.21/2,157,349.14 - Step 6: Final answer
x = 1,212,849.69
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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.