Finding the Fourth Proportional to 4,652,390.40, 6,978,562.56 and 1,240,669.44
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Solution
The fourth proportional to 4,652,390.40, 6,978,562.56 and 1,240,669.44 is: 1,860,998.02
Step by Step Solution
- Step 1: Write the proportion equation
4,652,390.40 : 6,978,562.56 = 1,240,669.44 : x - Step 2: Convert to fraction form
4,652,390.40/6,978,562.56 = 1,240,669.44/x - Step 3: Cross multiply
4,652,390.40x = 6,978,562.56 × 1,240,669.44 - Step 4: Simplify right side
4,652,390.40x = 8,658,089,303,320.17 - Step 5: Solve for x
x = 8,658,089,303,320.17/4,652,390.40 - Step 6: Final answer
x = 1,860,998.02
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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.