Finding the Fourth Proportional to 4,121,421.60, 6,182,067.60 and 1,129,605.60
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Solution
The fourth proportional to 4,121,421.60, 6,182,067.60 and 1,129,605.60 is: 1,694,390.64
Step by Step Solution
- Step 1: Write the proportion equation
4,121,421.60 : 6,182,067.60 = 1,129,605.60 : x - Step 2: Convert to fraction form
4,121,421.60/6,182,067.60 = 1,129,605.60/x - Step 3: Cross multiply
4,121,421.60x = 6,182,067.60 × 1,129,605.60 - Step 4: Simplify right side
4,121,421.60x = 6,983,298,180,538.56 - Step 5: Solve for x
x = 6,983,298,180,538.56/4,121,421.60 - Step 6: Final answer
x = 1,694,390.64
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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.