Finding the Fourth Proportional to 3,657,005.96, 5,046,682.74 and 2,130,162.44
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Solution
The fourth proportional to 3,657,005.96, 5,046,682.74 and 2,130,162.44 is: 2,939,632.62
Step by Step Solution
- Step 1: Write the proportion equation
3,657,005.96 : 5,046,682.74 = 2,130,162.44 : x - Step 2: Convert to fraction form
3,657,005.96/5,046,682.74 = 2,130,162.44/x - Step 3: Cross multiply
3,657,005.96x = 5,046,682.74 × 2,130,162.44 - Step 4: Simplify right side
3,657,005.96x = 10,750,254,019,344.29 - Step 5: Solve for x
x = 10,750,254,019,344.29/3,657,005.96 - Step 6: Final answer
x = 2,939,632.62
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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.