Finding the Fourth Proportional to 1,580,148.08, 2,179,800.99 and 959,788.16
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Solution
The fourth proportional to 1,580,148.08, 2,179,800.99 and 959,788.16 is: 1,324,019.70
Step by Step Solution
- Step 1: Write the proportion equation
1,580,148.08 : 2,179,800.99 = 959,788.16 : x - Step 2: Convert to fraction form
1,580,148.08/2,179,800.99 = 959,788.16/x - Step 3: Cross multiply
1,580,148.08x = 2,179,800.99 × 959,788.16 - Step 4: Simplify right side
1,580,148.08x = 2,092,147,183,757.75 - Step 5: Solve for x
x = 2,092,147,183,757.75/1,580,148.08 - Step 6: Final answer
x = 1,324,019.70
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1.5x scale
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.