Finding the Fourth Proportional to 3,409,485.08, 5,115,060.30 and 1,135,005.08
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Solution
The fourth proportional to 3,409,485.08, 5,115,060.30 and 1,135,005.08 is: 1,702,784.82
Step by Step Solution
- Step 1: Write the proportion equation
3,409,485.08 : 5,115,060.30 = 1,135,005.08 : x - Step 2: Convert to fraction form
3,409,485.08/5,115,060.30 = 1,135,005.08/x - Step 3: Cross multiply
3,409,485.08x = 5,115,060.30 × 1,135,005.08 - Step 4: Simplify right side
3,409,485.08x = 5,805,619,425,006.32 - Step 5: Solve for x
x = 5,805,619,425,006.32/3,409,485.08 - Step 6: Final answer
x = 1,702,784.82
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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.