Finding the Fourth Proportional to 1,632,075.80, 2,445,197.70 and 788,768.60
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Solution
The fourth proportional to 1,632,075.80, 2,445,197.70 and 788,768.60 is: 1,181,743.62
Step by Step Solution
- Step 1: Write the proportion equation
1,632,075.80 : 2,445,197.70 = 788,768.60 : x - Step 2: Convert to fraction form
1,632,075.80/2,445,197.70 = 788,768.60/x - Step 3: Cross multiply
1,632,075.80x = 2,445,197.70 × 788,768.60 - Step 4: Simplify right side
1,632,075.80x = 1,928,695,166,552.22 - Step 5: Solve for x
x = 1,928,695,166,552.22/1,632,075.80 - Step 6: Final answer
x = 1,181,743.62
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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.