Finding the Fourth Proportional to 1,587,902.70, 2,381,850.36 and 689,227.92
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Solution
The fourth proportional to 1,587,902.70, 2,381,850.36 and 689,227.92 is: 1,033,840.28
Step by Step Solution
- Step 1: Write the proportion equation
1,587,902.70 : 2,381,850.36 = 689,227.92 : x - Step 2: Convert to fraction form
1,587,902.70/2,381,850.36 = 689,227.92/x - Step 3: Cross multiply
1,587,902.70x = 2,381,850.36 × 689,227.92 - Step 4: Simplify right side
1,587,902.70x = 1,641,637,769,374.05 - Step 5: Solve for x
x = 1,641,637,769,374.05/1,587,902.70 - Step 6: Final answer
x = 1,033,840.28
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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.