Finding the Fourth Proportional to 4,199,488.20, 5,795,292.18 and 2,291,776.20
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Solution
The fourth proportional to 4,199,488.20, 5,795,292.18 and 2,291,776.20 is: 3,162,650.32
Step by Step Solution
- Step 1: Write the proportion equation
4,199,488.20 : 5,795,292.18 = 2,291,776.20 : x - Step 2: Convert to fraction form
4,199,488.20/5,795,292.18 = 2,291,776.20/x - Step 3: Cross multiply
4,199,488.20x = 5,795,292.18 × 2,291,776.20 - Step 4: Simplify right side
4,199,488.20x = 13,281,512,690,170.12 - Step 5: Solve for x
x = 13,281,512,690,170.12/4,199,488.20 - Step 6: Final answer
x = 3,162,650.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.