Finding the Fourth Proportional to 5,535,892.80, 8,299,902.06 and 2,121,285.96
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Solution
The fourth proportional to 5,535,892.80, 8,299,902.06 and 2,121,285.96 is: 3,180,420.28
Step by Step Solution
- Step 1: Write the proportion equation
5,535,892.80 : 8,299,902.06 = 2,121,285.96 : x - Step 2: Convert to fraction form
5,535,892.80/8,299,902.06 = 2,121,285.96/x - Step 3: Cross multiply
5,535,892.80x = 8,299,902.06 × 2,121,285.96 - Step 4: Simplify right side
5,535,892.80x = 17,606,465,709,253.08 - Step 5: Solve for x
x = 17,606,465,709,253.08/5,535,892.80 - Step 6: Final answer
x = 3,180,420.28
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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.