Finding the Fourth Proportional to 1,580,168.93, 2,180,628.74 and 855,028.98
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Solution
The fourth proportional to 1,580,168.93, 2,180,628.74 and 855,028.98 is: 1,179,937.63
Step by Step Solution
- Step 1: Write the proportion equation
1,580,168.93 : 2,180,628.74 = 855,028.98 : x - Step 2: Convert to fraction form
1,580,168.93/2,180,628.74 = 855,028.98/x - Step 3: Cross multiply
1,580,168.93x = 2,180,628.74 × 855,028.98 - Step 4: Simplify right side
1,580,168.93x = 1,864,500,769,458.46 - Step 5: Solve for x
x = 1,864,500,769,458.46/1,580,168.93 - Step 6: Final answer
x = 1,179,937.63
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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.