Finding the Fourth Proportional to 5,374,637.64, 7,416,999.98 and 2,960,189.64
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Solution
The fourth proportional to 5,374,637.64, 7,416,999.98 and 2,960,189.64 is: 4,085,061.72
Step by Step Solution
- Step 1: Write the proportion equation
5,374,637.64 : 7,416,999.98 = 2,960,189.64 : x - Step 2: Convert to fraction form
5,374,637.64/7,416,999.98 = 2,960,189.64/x - Step 3: Cross multiply
5,374,637.64x = 7,416,999.98 × 2,960,189.64 - Step 4: Simplify right side
5,374,637.64x = 21,955,726,500,676.21 - Step 5: Solve for x
x = 21,955,726,500,676.21/5,374,637.64 - Step 6: Final answer
x = 4,085,061.72
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1.5x scale
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.