Finding the Fourth Proportional to 1,580,911.97, 2,181,656.67 and 855,759.47
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Solution
The fourth proportional to 1,580,911.97, 2,181,656.67 and 855,759.47 is: 1,180,947.06
Step by Step Solution
- Step 1: Write the proportion equation
1,580,911.97 : 2,181,656.67 = 855,759.47 : x - Step 2: Convert to fraction form
1,580,911.97/2,181,656.67 = 855,759.47/x - Step 3: Cross multiply
1,580,911.97x = 2,181,656.67 × 855,759.47 - Step 4: Simplify right side
1,580,911.97x = 1,866,973,341,523.78 - Step 5: Solve for x
x = 1,866,973,341,523.78/1,580,911.97 - Step 6: Final answer
x = 1,180,947.06
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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.