Finding the Fourth Proportional to 1,580,993.35, 2,181,785.86 and 927,630.48
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Solution
The fourth proportional to 1,580,993.35, 2,181,785.86 and 927,630.48 is: 1,280,138.88
Step by Step Solution
- Step 1: Write the proportion equation
1,580,993.35 : 2,181,785.86 = 927,630.48 : x - Step 2: Convert to fraction form
1,580,993.35/2,181,785.86 = 927,630.48/x - Step 3: Cross multiply
1,580,993.35x = 2,181,785.86 × 927,630.48 - Step 4: Simplify right side
1,580,993.35x = 2,023,891,061,637.70 - Step 5: Solve for x
x = 2,023,891,061,637.70/1,580,993.35 - Step 6: Final answer
x = 1,280,138.88
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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.