Finding the Fourth Proportional to 4,228,207.20, 5,834,881.68 and 2,367,626.40
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Solution
The fourth proportional to 4,228,207.20, 5,834,881.68 and 2,367,626.40 is: 3,267,299.65
Step by Step Solution
- Step 1: Write the proportion equation
4,228,207.20 : 5,834,881.68 = 2,367,626.40 : x - Step 2: Convert to fraction form
4,228,207.20/5,834,881.68 = 2,367,626.40/x - Step 3: Cross multiply
4,228,207.20x = 5,834,881.68 × 2,367,626.40 - Step 4: Simplify right side
4,228,207.20x = 13,814,819,906,444.35 - Step 5: Solve for x
x = 13,814,819,906,444.35/4,228,207.20 - Step 6: Final answer
x = 3,267,299.65
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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.