Finding the Fourth Proportional to 5,157,035.68, 7,735,599.60 and 2,123,681.44
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Solution
The fourth proportional to 5,157,035.68, 7,735,599.60 and 2,123,681.44 is: 3,185,541.14
Step by Step Solution
- Step 1: Write the proportion equation
5,157,035.68 : 7,735,599.60 = 2,123,681.44 : x - Step 2: Convert to fraction form
5,157,035.68/7,735,599.60 = 2,123,681.44/x - Step 3: Cross multiply
5,157,035.68x = 7,735,599.60 × 2,123,681.44 - Step 4: Simplify right side
5,157,035.68x = 16,427,949,297,791.42 - Step 5: Solve for x
x = 16,427,949,297,791.42/5,157,035.68 - Step 6: Final answer
x = 3,185,541.14
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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.