Finding the Fourth Proportional to 4,011,991.89, 6,019,485.99 and 1,616,516.11
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Solution
The fourth proportional to 4,011,991.89, 6,019,485.99 and 1,616,516.11 is: 2,425,377.80
Step by Step Solution
- Step 1: Write the proportion equation
4,011,991.89 : 6,019,485.99 = 1,616,516.11 : x - Step 2: Convert to fraction form
4,011,991.89/6,019,485.99 = 1,616,516.11/x - Step 3: Cross multiply
4,011,991.89x = 6,019,485.99 × 1,616,516.11 - Step 4: Simplify right side
4,011,991.89x = 9,730,596,076,754.30 - Step 5: Solve for x
x = 9,730,596,076,754.30/4,011,991.89 - Step 6: Final answer
x = 2,425,377.80
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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.