Finding the Fourth Proportional to 1,777,465.20, 2,662,261.20 and 1,462,537.20
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Solution
The fourth proportional to 1,777,465.20, 2,662,261.20 and 1,462,537.20 is: 2,190,566.68
Step by Step Solution
- Step 1: Write the proportion equation
1,777,465.20 : 2,662,261.20 = 1,462,537.20 : x - Step 2: Convert to fraction form
1,777,465.20/2,662,261.20 = 1,462,537.20/x - Step 3: Cross multiply
1,777,465.20x = 2,662,261.20 × 1,462,537.20 - Step 4: Simplify right side
1,777,465.20x = 3,893,656,041,116.64 - Step 5: Solve for x
x = 3,893,656,041,116.64/1,777,465.20 - Step 6: Final answer
x = 2,190,566.68
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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.