Finding the Fourth Proportional to 3,412,999.38, 5,117,518.44 and 1,615,867.68
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Solution
The fourth proportional to 3,412,999.38, 5,117,518.44 and 1,615,867.68 is: 2,422,863.80
Step by Step Solution
- Step 1: Write the proportion equation
3,412,999.38 : 5,117,518.44 = 1,615,867.68 : x - Step 2: Convert to fraction form
3,412,999.38/5,117,518.44 = 1,615,867.68/x - Step 3: Cross multiply
3,412,999.38x = 5,117,518.44 × 1,615,867.68 - Step 4: Simplify right side
3,412,999.38x = 8,269,232,649,000.02 - Step 5: Solve for x
x = 8,269,232,649,000.02/3,412,999.38 - Step 6: Final answer
x = 2,422,863.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.