Finding the Fourth Proportional to 3,883,358.40, 5,822,272.80 and 1,486,276.80
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Solution
The fourth proportional to 3,883,358.40, 5,822,272.80 and 1,486,276.80 is: 2,228,357.03
Step by Step Solution
- Step 1: Write the proportion equation
3,883,358.40 : 5,822,272.80 = 1,486,276.80 : x - Step 2: Convert to fraction form
3,883,358.40/5,822,272.80 = 1,486,276.80/x - Step 3: Cross multiply
3,883,358.40x = 5,822,272.80 × 1,486,276.80 - Step 4: Simplify right side
3,883,358.40x = 8,653,508,985,911.04 - Step 5: Solve for x
x = 8,653,508,985,911.04/3,883,358.40 - Step 6: Final answer
x = 2,228,357.03
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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.