Finding the Fourth Proportional to 4,225,987.18, 6,339,367.14 and 1,193,398.21
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Solution
The fourth proportional to 4,225,987.18, 6,339,367.14 and 1,193,398.21 is: 1,790,206.42
Step by Step Solution
- Step 1: Write the proportion equation
4,225,987.18 : 6,339,367.14 = 1,193,398.21 : x - Step 2: Convert to fraction form
4,225,987.18/6,339,367.14 = 1,193,398.21/x - Step 3: Cross multiply
4,225,987.18x = 6,339,367.14 × 1,193,398.21 - Step 4: Simplify right side
4,225,987.18x = 7,565,389,397,408.82 - Step 5: Solve for x
x = 7,565,389,397,408.82/4,225,987.18 - Step 6: Final answer
x = 1,790,206.42
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1.5x scale
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.