Finding the Fourth Proportional to 5,214,237.36, 7,821,362.52 and 1,427,753.04
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Solution
The fourth proportional to 5,214,237.36, 7,821,362.52 and 1,427,753.04 is: 2,141,631.33
Step by Step Solution
- Step 1: Write the proportion equation
5,214,237.36 : 7,821,362.52 = 1,427,753.04 : x - Step 2: Convert to fraction form
5,214,237.36/7,821,362.52 = 1,427,753.04/x - Step 3: Cross multiply
5,214,237.36x = 7,821,362.52 × 1,427,753.04 - Step 4: Simplify right side
5,214,237.36x = 11,166,974,114,872.06 - Step 5: Solve for x
x = 11,166,974,114,872.06/5,214,237.36 - Step 6: Final answer
x = 2,141,631.33
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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.