Finding the Fourth Proportional to 3,788,564.96, 5,228,134.08 and 2,069,693.12
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Solution
The fourth proportional to 3,788,564.96, 5,228,134.08 and 2,069,693.12 is: 2,856,129.76
Step by Step Solution
- Step 1: Write the proportion equation
3,788,564.96 : 5,228,134.08 = 2,069,693.12 : x - Step 2: Convert to fraction form
3,788,564.96/5,228,134.08 = 2,069,693.12/x - Step 3: Cross multiply
3,788,564.96x = 5,228,134.08 × 2,069,693.12 - Step 4: Simplify right side
3,788,564.96x = 10,820,633,135,813.53 - Step 5: Solve for x
x = 10,820,633,135,813.53/3,788,564.96 - Step 6: Final answer
x = 2,856,129.76
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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.