Finding the Fourth Proportional to 5,276,947.68, 7,282,190.16 and 2,985,059.52
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Solution
The fourth proportional to 5,276,947.68, 7,282,190.16 and 2,985,059.52 is: 4,119,383.47
Step by Step Solution
- Step 1: Write the proportion equation
5,276,947.68 : 7,282,190.16 = 2,985,059.52 : x - Step 2: Convert to fraction form
5,276,947.68/7,282,190.16 = 2,985,059.52/x - Step 3: Cross multiply
5,276,947.68x = 7,282,190.16 × 2,985,059.52 - Step 4: Simplify right side
5,276,947.68x = 21,737,771,063,558.32 - Step 5: Solve for x
x = 21,737,771,063,558.32/5,276,947.68 - Step 6: Final answer
x = 4,119,383.47
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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.