Finding the Fourth Proportional to 1,477,327.80, 2,216,064.60 and 768,739.80
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Solution
The fourth proportional to 1,477,327.80, 2,216,064.60 and 768,739.80 is: 1,153,147.63
Step by Step Solution
- Step 1: Write the proportion equation
1,477,327.80 : 2,216,064.60 = 768,739.80 : x - Step 2: Convert to fraction form
1,477,327.80/2,216,064.60 = 768,739.80/x - Step 3: Cross multiply
1,477,327.80x = 2,216,064.60 × 768,739.80 - Step 4: Simplify right side
1,477,327.80x = 1,703,577,057,391.08 - Step 5: Solve for x
x = 1,703,577,057,391.08/1,477,327.80 - Step 6: Final answer
x = 1,153,147.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.