Finding the Fourth Proportional to 5,419,525.14, 8,128,496.34 and 1,580,315.90
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Solution
The fourth proportional to 5,419,525.14, 8,128,496.34 and 1,580,315.90 is: 2,370,243.08
Step by Step Solution
- Step 1: Write the proportion equation
5,419,525.14 : 8,128,496.34 = 1,580,315.90 : x - Step 2: Convert to fraction form
5,419,525.14/8,128,496.34 = 1,580,315.90/x - Step 3: Cross multiply
5,419,525.14x = 8,128,496.34 × 1,580,315.90 - Step 4: Simplify right side
5,419,525.14x = 12,845,591,968,551.32 - Step 5: Solve for x
x = 12,845,591,968,551.32/5,419,525.14 - Step 6: Final answer
x = 2,370,243.08
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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.