Finding the Fourth Proportional to 3,712,430.64, 5,568,670.56 and 1,438,207.62
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Solution
The fourth proportional to 3,712,430.64, 5,568,670.56 and 1,438,207.62 is: 2,157,320.96
Step by Step Solution
- Step 1: Write the proportion equation
3,712,430.64 : 5,568,670.56 = 1,438,207.62 : x - Step 2: Convert to fraction form
3,712,430.64/5,568,670.56 = 1,438,207.62/x - Step 3: Cross multiply
3,712,430.64x = 5,568,670.56 × 1,438,207.62 - Step 4: Simplify right side
3,712,430.64x = 8,008,904,432,661.67 - Step 5: Solve for x
x = 8,008,904,432,661.67/3,712,430.64 - Step 6: Final answer
x = 2,157,320.96
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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.