Finding the Fourth Proportional to 4,520,757.56, 6,781,188.99 and 1,325,947.46
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Solution
The fourth proportional to 4,520,757.56, 6,781,188.99 and 1,325,947.46 is: 1,988,936.63
Step by Step Solution
- Step 1: Write the proportion equation
4,520,757.56 : 6,781,188.99 = 1,325,947.46 : x - Step 2: Convert to fraction form
4,520,757.56/6,781,188.99 = 1,325,947.46/x - Step 3: Cross multiply
4,520,757.56x = 6,781,188.99 × 1,325,947.46 - Step 4: Simplify right side
4,520,757.56x = 8,991,500,317,070.47 - Step 5: Solve for x
x = 8,991,500,317,070.47/4,520,757.56 - Step 6: Final answer
x = 1,988,936.63
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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.