Finding the Fourth Proportional to 4,871,374.16, 7,307,958.72 and 2,031,729.62
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Solution
The fourth proportional to 4,871,374.16, 7,307,958.72 and 2,031,729.62 is: 3,047,968.75
Step by Step Solution
- Step 1: Write the proportion equation
4,871,374.16 : 7,307,958.72 = 2,031,729.62 : x - Step 2: Convert to fraction form
4,871,374.16/7,307,958.72 = 2,031,729.62/x - Step 3: Cross multiply
4,871,374.16x = 7,307,958.72 × 2,031,729.62 - Step 4: Simplify right side
4,871,374.16x = 14,847,796,193,161.29 - Step 5: Solve for x
x = 14,847,796,193,161.29/4,871,374.16 - Step 6: Final answer
x = 3,047,968.75
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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.