Finding the Fourth Proportional to 5,202,027.02, 7,178,635.16 and 2,878,779.76
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Solution
The fourth proportional to 5,202,027.02, 7,178,635.16 and 2,878,779.76 is: 3,972,626.34
Step by Step Solution
- Step 1: Write the proportion equation
5,202,027.02 : 7,178,635.16 = 2,878,779.76 : x - Step 2: Convert to fraction form
5,202,027.02/7,178,635.16 = 2,878,779.76/x - Step 3: Cross multiply
5,202,027.02x = 7,178,635.16 × 2,878,779.76 - Step 4: Simplify right side
5,202,027.02x = 20,665,709,581,487.30 - Step 5: Solve for x
x = 20,665,709,581,487.30/5,202,027.02 - Step 6: Final answer
x = 3,972,626.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.