Finding the Fourth Proportional to 5,047,683.31, 7,569,936.81 and 1,635,178.12
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Solution
The fourth proportional to 5,047,683.31, 7,569,936.81 and 1,635,178.12 is: 2,452,252.70
Step by Step Solution
- Step 1: Write the proportion equation
5,047,683.31 : 7,569,936.81 = 1,635,178.12 : x - Step 2: Convert to fraction form
5,047,683.31/7,569,936.81 = 1,635,178.12/x - Step 3: Cross multiply
5,047,683.31x = 7,569,936.81 × 1,635,178.12 - Step 4: Simplify right side
5,047,683.31x = 12,378,195,022,569.75 - Step 5: Solve for x
x = 12,378,195,022,569.75/5,047,683.31 - Step 6: Final answer
x = 2,452,252.70
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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.