Finding the Fourth Proportional to 1,918,438.19, 2,877,688.42 and 552,230.01
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Solution
The fourth proportional to 1,918,438.19, 2,877,688.42 and 552,230.01 is: 828,353.98
Step by Step Solution
- Step 1: Write the proportion equation
1,918,438.19 : 2,877,688.42 = 552,230.01 : x - Step 2: Convert to fraction form
1,918,438.19/2,877,688.42 = 552,230.01/x - Step 3: Cross multiply
1,918,438.19x = 2,877,688.42 × 552,230.01 - Step 4: Simplify right side
1,918,438.19x = 1,589,145,905,396.76 - Step 5: Solve for x
x = 1,589,145,905,396.76/1,918,438.19 - Step 6: Final answer
x = 828,353.98
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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.